S-((7R,8R,9S,10R,13S,14S,17S)-17-(Ethoxymethyl)-17-hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-7-yl) ethanethioate; S-[17alpha-(Ethoxymethyl)-17beta-hydroxy-3-oxoandrost-4-en-7alpha-yl] ethanethioate; S-[17alpha-(Ethoxymethyl)-17-hydroxy-3-oxoandrost-4-en-7alpha-yl]ethanethioate; Spironolactone Related Compound I