英文别名PREGN-4(5)9(11)-DIENE-7,21-DICARBOXYLICACID,17-HYDROXY-3-OXO-,GAMMA-LACTONE; Pregna-4,9(11)-diene-7,21-dicarboxylic acid, 17-hydroxy-3-oxo-, g-lactone, methyl ester, (7a,17a)-; Pregna-4,9(11)-Diene-7,21-Dicarboxylic Acid,17-Hydroxy-3-Oxo,Gamma-Lactone,Methylestor,(7a,17a)-; EPLERENONE INTERMEDIATE; PREGNA-4,9(11)-DIENE-7,21-CARBOXYLICACID,17-HDROXY-3-OXO-G-LACTONE,METHYL ESTER(7A,17A); 10,13-dimethyl-3,5'-dioxo-7-spiro[2,6,7,8,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthrene-17,2'-oxolane]carboxylic acid methyl ester 
