Spironolactone - Impurity D

NA

(2'R)-7α-(Acetyldisulfanyl)-3',4'-dihydro-5'H-spiro[androst-4-ene-17,2'-furan]-3,5'-dione; SS-((2'R,7R,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) ethane(dithioperoxoate); 7-(Desacetothioxy)-7-acetodithioperoxy-spironolactone; (2’R)-7α-(Acetyldisulfanyl)-3’,4’-dihydro-5’H-spiro[androst-4-ene-17,2’-furan]-3,5’-dione; Spironolactone Related Compound D (USP);