Abamectin - Impurity A (Freebase)

65195-51-9

Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran], avermectin A1a deriv; [6S-[2aE,4E,6R*,7R*,8E,11S*,13R*[5′R*,6′S*(R*)],15R*,17aS*,20S*,20aS*,20bR*]]-7-[[2,6-Dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranosyl]oxy]-5′,6,6′,7,10,11,14,15,17a,20,20a,20b-dodecahydro-20b-hydroxy-20-methoxy-5′,6,8,19-tetramethyl-6′-(1-methylpropyl)spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran]-17-one; Antibiotic C 076A1a; Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2′-[2H]pyran]-17-one, 7-[[2,6-dideoxy-4-O-(2,6-dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl)-3-O-methyl-α-L-arabino-hexopyranosyl]oxy]-5′,6,6′,7,10,11,14,15,17a,20,20a,20b-dodecahydro-20b-hydroxy-20-methoxy-5′,6,8,19-tetramethyl-6′-(1-methylpropyl)-, [6S-[2aE,4E,6R*,7R*,8E,11S*,13R*[5′R*,6′S*(R*)],15R*,17aS*,20S*,20aS*,20bR*]];