Misoprostol EP Impurity E

Chemical Name: 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: 11-epi-Misoprostol ;