Dinoprostone EP Impurity C

Chemical Name: (E)-7-[(1R,2R,3R)-3-hydroxy-2-[(E)-(3S)-3-hydroxyoct-1-enyl]-5-oxocyclopentyl]hept-5-enoic acid  (as per EP) ; (E)-7-{(1R,2R,3R)-3-Hydroxy-2-[(S,E)-3-hydroxyoct-1-en-1-yl]-5-oxocyclopentyl}hept-5-enoic acid (as per USP)

Smile: O[C@@]1([H])[C@@](/C=C/[C@@]([H])(O)CCCCC)([H])[C@](C/C=C/CCCC(O)=O)([H])C(C1)=O