Synonyms: 2H-Benzo[a]quinolizin-2-one,1,3,4,6,7,11b-hexahydro-3-isobutyl-9,10-dimethoxy- (6CI,8CI);2H-Benzo[a]quinolizin-2-one,1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-3-(2-methylpropyl)-, cis-; (?à)-Tetrabenazine; NSC 169886; NSC172187; Ro 1-9569; Rubigen; Tetrabenazine;cis-2-Oxo-3-isobutyl-9,10-dimethoxy-1,2,3,4,6,7-hexahydro-11bH-benzo[a]quinolizine