(7?,17?)-7-(Acetylthio)-17-hydroxy-3-oxopregn-4-ene-21-carboxylic Acid ?-Lactone;17-Hydroxy-7?-mercapto-3-oxo-17?-pregn-4-ene-21-carboxylic Acid ?-Lactone Acetate; 3'-(3-Oxo-7?-acetylthio-17?-hydroxyandrost-4-en-17?-yl)-propionic Acid Lactone; 7?-(Acetylthio)-17?-hydroxy-3-oxopregn-4-ene-21-carboxylic Acid ?-Lactone; SC 11940; Spironolactone EP Impurity E;7?-Spironolactone; (7-Beta Spironolactone)
(7?,17?)-7-(Acetylthio)-17-hydroxy-3-oxopregn-4-ene-21-carboxylic Acid ?-Lactone;17-Hydroxy-7?-mercapto-3-oxo-17?-pregn-4-ene-21-carboxylic Acid ?-Lactone Acetate; 3'-(3-Oxo-7?-acetylthio-17?-hydroxyandrost-4-en-17?-yl)-propionic Acid Lactone; 7?-(Acetylthio)-17?-hydroxy-3-oxopregn-4-ene-21-carboxylic Acid ?-Lactone; SC 11940; Spironolactone EP Impurity E;7?-Spironolactone; (7-Beta Spironolactone)