3d image of epitestosterone skeletal formula

epitestosterone isotestosterone endogenous steroid epimer androgen sex hormone testosterone competitive antagonist androgen receptor ar prostate males doping androgenic male sex bodybuilding body-building aas masculinizing myotrophic steroidal skeletal muscles masculine anabolism appetite puberty body weight muscular strength masculinization irreversible performance-enhancing drug controlled substances hormonal therapy replacement function action endocrine endocrinology level prohormone analogue 3d molecule molecular formula