Sotalol Related Compound B (50 mg) (N-(4-Formylphenyl)methanesulfonamide)

Sotalol Related Compound C (50 mg) (N-[4-[2-[(1-Methylethyl)amino]ethyl]phenyl]methanesulfonamide monohydrochloride)

Soybean Oil (1 g)

Spectinomycin Hydrochloride (200 mg)

Spironolactone (125 mg)

Spironolactone Epimer Mixture (30 mg) (7-Epispironolactone approximately 56% and Spironolactone approximately 39% mixture)

Spironolactone Related Compound A (100 mg) (17alpha-(2-Carboxyethyl)-17beta-hydroxyandrosta-4,6-dien-3-one lactone) (AS)

Spironolactone Related Compound B (30 mg) ((2'R)-7alpha-(Acetylthio)-5'H-spiro[androst-4-ene-17,2'-furan]-3,5'-dione)

Spironolactone Related Compound C (30 mg) ((2'R)-3',4'-Dihydro-5'H-spiro[androst-4-ene-17,2'-furan]-3,5'-dione)

Spironolactone Related Compound D (30 mg) ((2'R)-7alpha-(Acetyldisulfanyl)-3',4'-dihydro-5'H-spiro[androst-4-ene-17,2'-furan]-3,5'-dione)