Misoprostol EP Impurity E

Chemical Name: 11-epi-Misoprostol ; mixture of methyl 7-[(1RS,2RS,3SR)-3-hydroxy-2-[(1E,4RS)-4-hydroxy-4-methyloct-1-enyl]-5oxocyclopentyl]heptanoate and methyl 7-[(1RS,2RS,3SR)-3-hydroxy-2-[(1E,4SR)-4-hydroxy-4-methyloct-1-enyl]-5oxocyclopentyl]heptanoate

Synonym: (1S,2S,3S,5S)-5-(2-amino-6-(benzyloxy)-9h-purin-9-yl)-3-(benzyloxy)-2-(benzyloxymethyl)cyclopentanol