108590-75-6 7-Keto-pgi2-ephedrine 7-Oxo-prostaglandin I2-ephedrine Chinoin 169 Prosta-5,13-dien-1-oic acid, 6,9-epoxy-11,15-dihydroxy-7-oxo-, (5Z,9alpha,11alpha,13E,15S)-, compd. with (R-(R*,S*))-alpha-(1-(methylamino)ethyl)benzenemethanol (1:1)