英文别名3-Butyl-9,10-dimethoxy-3,4,6,7-tetrahydro-1H-pyrido[2,1-a]isoquinolin-2(11bH)-one; Tetrabenazine impurity 3; 3-butyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydrobenzo[a]quinolizin-2-one; 9,10-Dimethoxy-2-oxo-3-butyl-1,2,3,4,6,7-hexahydro-11bH-benzo[a]quinolizine; 3-Butyl-1,3,4,6,7,11b-hexahydro-9,10-dimethoxy-2-oxo-2H-benzo[a]quinolizine; 3-Butyl-2-oxo-9,10-dimethoxy-1,2,3,4,6,7-hexahydro-11bH-benzo[a]quinolizine; 2-Oxo-3-butyl-9,10-dimethoxy-1,2,3,4,6,7-hexahydro-11bH-benzo[a]quinolizine; Tetrabenazine Related Impurity 3; 3-Des(2-methylpropyl)-3-n-Butyl Tetrabenazine; Tetrabenazine 3-n-Butyl; Tetrabenazine Impurity 4; 2-Oxo-3-butyl-9,10-dimethoxy-1,2,3,4,6,7-hexahydro-11bH-benzo[a]quinolizin-2-one 
