16-(3-Chlorophenoxy)-17,18,19,20-tetranorprostaglandin F2alpha 16-Cpotn-PGF2 alpha 40665-93-8 5-Heptenoic acid, 7-(2-(4-(3-chlorophenoxy)-3-hydroxy-1-butenyl)-3,5-dihydroxycyclopentyl)-, (1alpha(Z),2beta(1E,3S*),3alpha,5alpha)-(+-)-