dorzolamide and its Impurities

A carbonic anhydrase inhibitor, Dorzplamide is used for the treatment of glaucoma and ocular hypertension. It is administered as topical opthalmic form and decreases the aqueous humour production.. Reference standards of Dorzolamide API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below

Displaying 45 results for dorzolamide Impurities
Drug Reference Standards & Impurity Synthesis in India
PA 04 62000

Dorzolamide

Dorzolamide

  • Catalogue No.:PA 04 62000

  • CAS :

    120279-96-1

  • Molecular Formula : C10H16N2O4S3

  • Molecular Weight : 324.44

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Drug Reference Standards & Impurity Synthesis in India
PA 04 62010

Dorzolamide - Impurity A

ent-Dorzolamide

  • Catalogue No.:PA 04 62010

  • CAS :

    120279-95-0

  • Molecular Formula : C10H16N2O4S3

  • Molecular Weight : 324.44

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Drug Reference Standards & Impurity Synthesis in India
PA 04 62510

Dorzolamide N-Sulfonamide Dimer

Dorzolamide N-Sulfonamide Dimer

  • Catalogue No.:PA 04 62510

  • CAS :

    199734-72-0

  • Molecular Formula : C20H29N3O8S6

  • Molecular Weight : 631.85

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Drug Reference Standards & Impurity Synthesis in India
PA 31 03510

(4S,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-sulfonamide 7,7-dioxide Hydrochloride

(4S,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-sulfonamide 7,7-dioxide Hydrochloride

  • Catalogue No.:PA 31 03510

  • CAS :

    NA

  • Molecular Formula : C10H17ClN2O4S3

  • Molecular Weight : 360.9

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Drug Reference Standards & Impurity Synthesis in India
PA STI 036280

Dorzolamide-d5

Dorzolamide-d5

  • Catalogue No.:PA STI 036280

  • CAS :

    1227097-70-2

  • Molecular Formula : C10H11D5N2O4S3

  • Molecular Weight : 329.47

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Drug Reference Standards & Impurity Synthesis in India
PA USP1225281

Dorzolamide Hydrochloride (1225281)

Dorzolamide Hydrochloride (1225281)

  • Catalogue No.:PA USP1225281

  • CAS :

    130693-82-2

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1225317

Dorzolamide Related Compound B ((4R,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyr (1225317)

Dorzolamide Related Compound B ((4R,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyr (1225317)

  • Catalogue No.:PA USP1225317

  • CAS :

    1417607-96-5

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1225306

Dorzolamide Related Compound D ((4S,6S)-4-Amino-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-su (1225306)

Dorzolamide Related Compound D ((4S,6S)-4-Amino-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-su (1225306)

  • Catalogue No.:PA USP1225306

  • CAS :

    164455-27-0

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA BP1070RB

dorzolamide impurity B (1070RB)

dorzolamide impurity B (1070RB)

  • Catalogue No.:PA BP1070RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA BP1069RB

dorzolamide hydrochloride (1069RB)

dorzolamide hydrochloride (1069RB)

  • Catalogue No.:PA BP1069RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA BP1071RB

dorzolamide impurity D (1071RB)

dorzolamide impurity D (1071RB)

  • Catalogue No.:PA BP1071RB

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0000726

Dorzolamide hydrochloride (Y0000726)

Dorzolamide hydrochloride (Y0000726)

  • Catalogue No.:PA EPY0000726

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0000727

Dorzolamide impurity A (Y0000727)

Dorzolamide impurity A (Y0000727)

  • Catalogue No.:PA EPY0000727

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA EPY0000750

Dorzolamide for system suitability (Y0000750)

Dorzolamide for system suitability (Y0000750)

  • Catalogue No.:PA EPY0000750

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA USP1225292

Dorzolamide Hydrochloride Related Compound A ((4R,6R)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno (1225292)

Dorzolamide Hydrochloride Related Compound A ((4R,6R)-4-(ethylamino)-5,6-dihydro-6-methyl-4H-thieno (1225292)

  • Catalogue No.:PA USP1225292

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA JP0063

Dorzolamide Hydrochloride (JP 0063)

Dorzolamide Hydrochloride (JP 0063)

  • Catalogue No.:PA JP0063

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 04 62520

Dorzolamide Maleic Acid Adduct

Dorzolamide Maleic Acid Adduct

  • Catalogue No.:PA 04 62520

  • CAS :

    NA

  • Molecular Formula : C14H20N2O8S3

  • Molecular Weight : 440.5

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Drug Reference Standards & Impurity Synthesis in India
PA 04 62530

N-Acetyl Dorzolamide

N-Acetyl Dorzolamide

  • Catalogue No.:PA 04 62530

  • CAS :

    403848-09-9

  • Molecular Formula : C12H18N2O5S3

  • Molecular Weight : 366.47

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Drug Reference Standards & Impurity Synthesis in India
PA 31 03520

Desaminosulfonyl Dorzolamide Hydrochloride

Desaminosulfonyl Dorzolamide Hydrochloride

  • Catalogue No.:PA 31 03520

  • CAS :

    897657-77-1

  • Molecular Formula : C10H16ClNO2S2

  • Molecular Weight : 281.81

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Drug Reference Standards & Impurity Synthesis in India
PA 04 62540

(4S,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-sulfonamide 7,7-dioxide

(4S,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-3-sulfonamide 7,7-dioxide

  • Catalogue No.:PA 04 62540

  • CAS :

    199734-71-9

  • Molecular Formula : C10H16N2O4S3

  • Molecular Weight : 324.43

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621000

5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-Dioxide

5,6-Dihydro-4-hydroxy-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-Dioxide

Drug Reference Standards & Impurity Synthesis in India

  • Catalogue No.:PA 04 0621000

  • CAS :

    120279-26-7

  • Molecular Formula : C8H11NO5S3

  • Molecular Weight : 297.36

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621001

6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

  • Catalogue No.:PA 04 0621001

  • CAS :

    120279-88-1

  • Molecular Formula : C8H9NO3S3

  • Molecular Weight : 263.34

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621002

Rac-Dorzolamide

Rac-Dorzolamide

  • Catalogue No.:PA 04 0621002

  • CAS :

    120280-13-9

  • Molecular Formula : C10H16N2O4S3

  • Molecular Weight : 324.43

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621003

N-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl acetamide

N-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl acetamide

  • Catalogue No.:PA 04 0621003

  • CAS :

    120298-38-6

  • Molecular Formula : C10H14N2O5S3

  • Molecular Weight : 338.41

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Drug Reference Standards & Impurity Synthesis in India
PA 31 0031000

N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide

N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide

  • Catalogue No.:PA 31 0031000

  • CAS :

    147200-03-1

  • Molecular Formula : C10H14N2O5S3

  • Molecular Weight : 338.41

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621004

Dorzolamide Desaminosulfonyl

Dorzolamide Desaminosulfonyl

  • Catalogue No.:PA 04 0621004

  • CAS :

    403848-01-1

  • Molecular Formula : C10H15NO2S2

  • Molecular Weight : 245.36

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621005

(4R,6R)-4-(ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide hydrochloride

(4R,6R)-4-(ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide hydrochloride

  • Catalogue No.:PA 04 0621005

  • CAS :

    120279-36-9

  • Molecular Formula : C10H17ClN2O4S3

  • Molecular Weight : 360.89

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Drug Reference Standards & Impurity Synthesis in India
PAI 31 003001

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonic Acid

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonic Acid

  • Catalogue No.:PAI 31 003001

  • CAS :

    NA

  • Molecular Formula : C8H8O4S3

  • Molecular Weight : 264.33

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Drug Reference Standards & Impurity Synthesis in India
PAI 31 003002

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

  • Catalogue No.:PAI 31 003002

  • CAS :

    1383784-43-7

  • Molecular Formula : C8H9NO3S3

  • Molecular Weight : 263.34

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Drug Reference Standards & Impurity Synthesis in India
PAI 31 003003

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide

(S)-6-Methyl-4-oxo-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide

  • Catalogue No.:PAI 31 003003

  • CAS :

    154716-03-7

  • Molecular Formula : C8H9NO5S3

  • Molecular Weight : 295.34

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Drug Reference Standards & Impurity Synthesis in India
PAI 31 003004

(4R,6S)-4-Amino-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide

(4R,6S)-4-Amino-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide

  • Catalogue No.:PAI 31 003004

  • CAS :

    154278-51-0

  • Molecular Formula : C8H12N2O4S3

  • Molecular Weight : 296.37

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Drug Reference Standards & Impurity Synthesis in India
PAI 04 062001

(6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl methanesulfonate

(6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl methanesulfonate

  • Catalogue No.:PAI 04 062001

  • CAS :

    NA

  • Molecular Formula : C9H13NO7S4

  • Molecular Weight : 375.44

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Drug Reference Standards & Impurity Synthesis in India
PAI 04 062002

(6S)-4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

(6S)-4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide

  • Catalogue No.:PAI 04 062002

  • CAS :

    NA

  • Molecular Formula : C8H11NO3S3

  • Molecular Weight : 265.36

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621006

N-Nitroso Dorzolamide

N-Nitroso Dorzolamide

  • Catalogue No.:PA 04 0621006

  • CAS :

    NA

  • Molecular Formula : C10H15N3O5S3

  • Molecular Weight : 353.43

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Drug Reference Standards & Impurity Synthesis in India
PA IPRS 67 15

Dorzolamide Hydrochloride (IPRS/67/15) - from IPC

Dorzolamide Hydrochloride (IPRS/67/15) - from IPC

  • Catalogue No.:PA IPRS 67 15

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621007

N-Desethyl N-Acetyl Dorzolamide Chloride

N-Desethyl N-Acetyl Dorzolamide Chloride

  • Catalogue No.:PA 04 0621007

  • CAS :

    147128-78-7

  • Molecular Formula : C10H12ClNO5S3

  • Molecular Weight : 357.84

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621008

(4R)-Dorzolamide

(4R)-Dorzolamide

  • Catalogue No.:PA 04 0621008

  • CAS :

    149249-72-9

  • Molecular Formula : C10H16N2O4S3

  • Molecular Weight : 324.43

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Drug Reference Standards & Impurity Synthesis in India
PAI 04 062003

(E)-N'-(((4R,6R)-4-(Ethylamino)-6-methyl-7,7-dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-yl)sulfonyl)-N,N-dimethylformimidamide

(E)-N'-(((4R,6R)-4-(Ethylamino)-6-methyl-7,7-dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-yl)sulfonyl)-N,N-dimethylformimidamide

  • Catalogue No.:PAI 04 062003

  • CAS :

    NA

  • Molecular Formula : C13H21N3O4S3

  • Molecular Weight : 379.51

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Drug Reference Standards & Impurity Synthesis in India
PAI 04 062004

N-((4R,6R)-2-(N-((E)-(Dimethylamino)methylene)sulfamoyl)-6-methyl-7,7-dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)-N-ethylaspartic Acid

N-((4R,6R)-2-(N-((E)-(Dimethylamino)methylene)sulfamoyl)-6-methyl-7,7-dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)-N-ethylaspartic Acid

  • Catalogue No.:PAI 04 062004

  • CAS :

    NA

  • Molecular Formula : C17H25N3O8S3

  • Molecular Weight : 495.58

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Drug Reference Standards & Impurity Synthesis in India
PAI 04 062005

Diethyl N-ethyl-N-((4S,6S)-6-methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)-L-aspartate

Diethyl N-ethyl-N-((4S,6S)-6-methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)-L-aspartate

  • Catalogue No.:PAI 04 062005

  • CAS :

    NA

  • Molecular Formula : C18H28N2O8S3

  • Molecular Weight : 496.61

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621009

Dorzolamide Maleic Acid Adduct mixture of diastereomers

Dorzolamide Maleic Acid Adduct mixture of diastereomers

  • Catalogue No.:PA 04 0621009

  • CAS :

    NA

  • Molecular Formula : C14H18N2Na2O8S3

  • Molecular Weight : 484.46

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621010

(4R,6S)-4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide

(4R,6S)-4-Hydroxy-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran 7,7-dioxide

  • Catalogue No.:PA 04 0621010

  • CAS :

    147128-77-6

  • Molecular Formula : C8H10O3S2

  • Molecular Weight : 218.29

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Drug Reference Standards & Impurity Synthesis in India
PA BSC 06204803

N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide (BSC)

N-((4S,6S)-6-Methyl-7,7-dioxido-2-sulfamoyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-4-yl)acetamide

  • Catalogue No.:PA BSC 06204803

  • CAS :

    147200-03-1

  • Molecular Formula : C10H14N2O5S3

  • Molecular Weight : 338.41

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Drug Reference Standards & Impurity Synthesis in India
PA STI 089950

N-Nitroso Dorzolamide-d5

N-Nitroso Dorzolamide-d5

  • Catalogue No.:PA STI 089950

  • CAS :

    NA

  • Molecular Formula : C10H10D5N3O5S3

  • Molecular Weight : 358.46

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Drug Reference Standards & Impurity Synthesis in India
PA 04 0621011

Sodium bis(((4R,6R)-4-(ethylamino)-6-methyl-7,7-dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-yl)sulfonyl)amide

Sodium bis(((4R,6R)-4-(ethylamino)-6-methyl-7,7-dioxido-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-yl)sulfonyl)amide

  • Catalogue No.:PA 04 0621011

  • CAS :

    NA

  • Molecular Formula : C20H28N3NaO8S6

  • Molecular Weight : 653.81

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