20-Ethyl-pgf2-alpha 20-Ethylprostaglandin F2-alpha 36950-85-3 5-HEPTENOIC ACID, 7-(3,5-DIHYDROXY-2-(3-HYDROXY-1-DECENYL)CYCLOPENTYL)-, (1R-(1- 5-Heptenoic acid, 7-(3,5-dihydroxy-2-(3-hydroxy-1-decenyl)cyclopentyl)-, (1R-(1-alpha(Z),2-beta(1E,3S*),3-alpha,5-alpha))- ICI 74205 Prostaglandin-ici 74205 racemic-ICI 74205