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Sarmastol, AC-262,356
AC-262,536 is a drug developed by Acadia Pharmaceuticals which acts as a selective androgen receptor modulator. Chemically it possesses endo-exo isomerism, with the endo form being the active form. It acts as apartial agonist for the androgen receptor with a Ki of 5nM, and no significant affinity for any other receptors tested. In animal studies it produced a maximal effect of around 66% of the anabolic action of testosterone, but only around 27% of its potency as an androgen.