Synonyms: 5a-Cholesta-8,24-dien-3b-ol, 4,4-dimethyl- (6CI,7CI,8CI);14-Norlanosterol; 14a-Demethyllanosterol; 4,4-Dimethyl-5a-cholesta-8(9),24-dien-3b-ol; 4,4-Dimethyl-5a-cholesta-8,24-dien-3b-ol; 4,4-Dimethylcholesta-8,24-dienol;4,4-Dimethylzymosterol; T-MAS; Testis meiosis-activating sterol