41639-20-7 5-HEPTENOIC ACID, 7-(3,5-DIHYDROXY-2-(3-HYDROXY-4-PROPOXY-1-BUTENYL)CYCLOPENTYL) 5-Heptenoic acid, 7-(3,5-dihydroxy-2-(3-hydroxy-4-propoxy-1-butenyl)cyclopentyl)-, (1R-(1-alpha(Z),2-beta(1E,3S*),3-alpha,5-alpha))-