17,20-Dimethyl-6-oxo-pge1 me ester

17,20-Dimethyl-6-oxo-prostaglandin E1 methyl ester

Prost-13-en-1-oic acid, 11,15-dihydroxy-17,20-dimethyl-6,9-dioxo-, methyl ester, (11alpha,13E,15R,17S)-