Ciclesonide - Impurity A

141845-81-0

2-((6aR,6bS,7S,8aS,8bS,10S,11aR,12aS,12bS)-10-Cyclohexyl-7-hydroxy-6a,8a-dimethyl-4-oxo-1,2,4,6a,6b,7,8,8a,11a,12,12a,12b-dodecahydro-8bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl)-2-oxoethyl isobutyrate; (2′S)-2′-cyclohexyl-11β-hydroxy-3,20-dioxo-16βH-[1,3]dioxolo[4′,5′:16,17]pregna-1,4-dien-21-yl2-methylpropanoate; Pregna-1,4-diene-3,20-dione, 16,17-[[(S)-cyclohexylmethylene]bis(oxy)]-11-hydroxy-21-(2-methyl-1-oxopropoxy)-, (11β,16α);