15(S)-15-METHYLPROSTAGLANDIN E2 METHYL ESTER 36210-00-1 Methyl (5Z,11alpha,13E,15S)-11,15-dihydroxy-15-methyl-9-oxoprosta-5,13-dien-1-oate Prosta-5,13-dien-1-oic acid, 11,15-dihydroxy-15-methyl-9-oxo-, methyl ester, (5Z,11alpha,13E,15S)-