Before revision: 4-Hydroxytestosterone (4-OHT), also known as 4, 17β-dihydroxy-4-androstene-3-one, is an anabolic steroid .
After revision: 4-Hydroxytestosterone (4-OHT), also known as 4, 17β-dihydroxyandrost-4-en-3-one, is a synthetic anabolic-androgenic steroid (AAS) and a derivative of testosterone that was never marketed .