Synonyms: CGP 30083, Epoxymexrenone, Inspra, SC-66110, (+)-Eplerenone, Eplerenone, SC 6110, SC 66110, Selara,Spiro[9,11-epoxy-9H-cyclopenta[a]phenanthrene-17(2H),2′(3’H)-furan], pregn-4-ene-7,21-dicarboxylic acid deriv., Pregn-4-ene-7,21-dicarboxylic acid, 9,11-epoxy-17-hydroxy-3-oxo-, gamma-lactone, 7-methyl ester, (7alpha,11alpha,17alpha), Pregn-4-ene-7,21-dicarboxylic acid, 9,11-epoxy-17-hydroxy-3-oxo-, gamma-lactone, methyl ester, (7alpha,11alpha,17alpha)- (9CI), (7alpha,11alpha,17alpha)-9,11-Epoxy-17-hydroxy-3-oxopregn-4-ene-7,21-dicarboxylic Acid gamma-Lactone 7-Methyl Ester