3d image of androstenediol sulfate skeletal formula

androstenediol sulfate endogenous steroid urinary metabolite androstenediol steroid sulfotransferase sulfatase rendering male action bodybuilding bioprecursor cycle path precursor anabolic anabolic-androgenic function sex androgenic pathway biosynthetic aas synthesis derivative hormonal substrate corticosteroid mechanism level biosynthesis contraception steroidal androgen prohormone biogenesis analogue human metabolome database endocrine metabolic norsteroid catabolism