(3aS-(2E,3aalpha,4alpha(R*),5beta,6aalpha))-5-(Hexahydro-5-hydroxy-4-(3-hydroxy-1-octynyl)-2(1H)-pentalenylidene)pentanoic acid 13,14-Didehydrocarboprostacyclin 19,14-Didehydrocarboprostacyclin 71934-91-3 Ddh-carbo pgl2 Fce 21258 Fce-21258 Pentanoic acid, 5-(hexahydro-5-hydroxy-4-(3-hydroxy-1-octynyl)-2(1H)-pentalenylidene)-, (3aS-(2E,3aalpha,4alpha(R*),5beta,6aalpha))-