16,16,17,17-Tetradehydro-17-(3-chlorophenyl)-18,19,20-trinor-pgf2-alpha methyl ester 5-HEPTENOIC ACID, 7-(2-(5-(3-CHLOROPHENYL)-3-HYDROXY-1-PENTEN-4-YNYL)-3,5-DIHYDR 5-Heptenoic acid, 7-(2-(5-(3-chlorophenyl)-3-hydroxy-1-penten-4-ynyl)-3,5- dihydroxycyclopentyl)-, methyl ester, (1R-(1-alpha(Z),2-beta(1E,3S*),3-alpha,5-alpha))- 73285-84-4