111319-88-1 7-Oxo-cyclopentyl-prostaglandin I2 7-Oxocyclopentyl-pgi2 CH 5084 CH-5084 Chinoin 5084 Pentanoic acid, 5-(hexahydro-5-hydroxy-6-(3-hydroxy-1-octenyl)-1-oxo-2(1H)-pentalenylidene)-, (3aS-(2Z,3aalpha,5beta,6alpha(1E,3R*),6aalpha))-