| Synonyms: | Eplerenone EP Impurity A;Eplerenone Impurity A;(7α,17α)- 9,17-Dihydroxy-3-oxo-pregn-4-ene-7,21-dicarboxylic Acid Di-γ-lactone;Eplerenone Impurity 6(Eplerenone EP Impurity A);Pregn-4-ene-7,21-dicarboxylic acid, 9,17-dihydroxy-3-oxo-, 7,9:21,17-dilactone, (7α,17α)-;(2''S)-3'',4''-Dihydro-3,5''-dioxospiro[androst-4-ene-17,2′-furan]-7α,9α-carbolactone;(2'R,7R,8R,9R,10S,13S,14S)-10,13-Dimethyl-7,8,11,12,13,14,15,16-octahydro-1H,3'H-spiro[9,7-(epoxymethano)cyclopenta[a]phenanthrene-17,2'-furan]-3,5',19(2H,4'H,6H,10H)-trione (Eplerenone Impurity);(2'R,7R,8R,9R,10S,13S,14S)-10,13-Dimethyl-7,8,11,12,13,14,15,16-octahydro-1H,3'H-spiro[9,7-(epoxymethano)cyclopenta[a]phenanthrene-17,2'-furan]-3,5',19(2H,4'H,6H,10H)-trione (Eplerenone Impurity) |