Chemical Name: 3-hydroxy-5,5-dimethyl-4-[4-(methylsulfonyl)phenyl]furan-2(5H)-one
Synonym: 12-epi-Misoprostol ; methyl 7-((1R,2S,3R)-3-hydroxy-2-((E)-4-hydroxy-4-methyloct-1-en-1-yl)-5-oxocyclopentyl)heptanoate
Smile: O=C1OC(C)(C)C(C2=CC=C(S(=O)(C)=O)C=C2)=C1O