英文别名Eplerenone 7-Carboxylic Acid Impurity; Eplerenone Impurity 15; 9,11-Epoxy-17-hydroxy-3-oxo-pregn-4-ene-7,21-dicarboxylic acid, gamma-lactone, (7alpha,11alpha,17alpha)-; Eplerenone EP Impurity D; (1R,2S,9R,10R,11S,14R,15S,17R)-2,15-dimethyl-5,5'-dioxospiro[18-oxapentacyclo[8.8.0.01,17.02,7.011,15]octadec-6-ene-14,2'-oxolane]-9-carboxylic acid; (4aS,4bR,5aR,6aS,7R,9aS,9bR,10R)-4a,6a-Dimethyl-2,5'-dioxo-2,4,4a,4',5a,5',6,6a,8,9,9a,9b,10,11-tetradecahydro-3H,3'H-spiro[cyclopenta[1,2]phenanthro[4,4a-b]oxirene-7,2'-furan]-10-carboxylic acid; 7alpha-Carboxy-9,11alpha-epoxy-3-oxo-17alpha-pregn-4-ene-21,17-carbolactone; 9,11-Epoxy-17-hydroxy-3-oxo-pregn-4-ene-7,21-dicarboxylic Acid gamma-Lactone; Eplerenone Impurity D; Eplerenone EP Imp D; Pregn-4-ene-7,21-dicarboxylic acid, 9,11-epoxy-17-hydroxy-3-oxo-, γ-lactone, (7α,11α,17α)- 
