Testosterone diacetate
Testosterone diacetate, or testosterone 3β,17β-diacetate, also known as 4-androstenediol diacetate, as well as androst-4-ene-3β,17β-diol 3β,17β-diacetate, is a synthetic anabolic-androgenic steroid and an androgen ester which was never marketed. It is the 3β,17β-diacetate diester of testosterone, or, more accurately, of 4-androstenediol.