Synonyms: | Spironolactone EP Impurity A;20,21-Dehydro Spironolactone;Spironolactone Impurity 1(Spironolactone EP Impurity A);Pregna-4,20-diene-21-carboxylic acid, 7-(acetylthio)-17-hydroxy-3-oxo-, γ-lactone, (7α,17α)- (9CI);Spironolactone EP Impurity A (Delta-20-Spironolactone);S-((7S,8R,9S,10R,13S,14S,17R)-10,13-dimethyl-3,5'-dioxo-1,2,3,6,7,8,9,10,11,12,13,14,15,16-tetradecahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl)ethanethioate;Spiranolactone IMP A;Spiranolactone Impurity A |