Spironolactone - Impurity E

33784-05-3

(2′R)-7β-(Acetylsulfanyl)-3′,4′-dihydro-5′H-spiro[androst4-ene-17,2′-furan]-3,5′-dione; S-((2'R,7S,8R,9S,10R,13S,14S)-10,13-Dimethyl-3,5'-dioxo-1,2,3,4',5',6,7,8,9,10,11,12,13,14,15,16-hexadecahydro-3'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-7-yl) Ethanethioate;(7β,17α)-7-(Acetylthio)-17-hydroxy-3-oxopregn-4-ene-21-carboxylic Acid γ-Lactone; 17-Hydroxy-7β-mercapto-3-oxo-17α-pregn-4-ene-21-carboxylic Acid γ-Lactone Acetate; 7β-(Acetylthio)-17α-hydroxy-3-oxopregn-4-ene-21-carboxylic Acid γ-Lactone; 7-Epispironolactone; (2'R)-7ß-(Acetylthio)-3',4’-dihydro-5'H-spiro[androst-4-ene-17,2'-furan]-3,5'-dione (USP);