53764-90-2 Dinoprost isopropyl ester Pgf2 isopropyl ester Pgf2alpha isopropyl ester Pgf2alpha-1-isopropyl ester Prosta-5,13-dien-1-oic acid, 9,11,15-trihydroxy-, 1-methylethyl ester, (5Z,9alpha,11alpha,13E,15S)- Prostaglandin F2 isopropyl ester