IUPAC:(2R,3R,11bR)-9,10-dimethoxy-3-(2-methylpropyl)-1H,2H,3H,4H,6H,7H,11bH-pyrido[2,1-a]isoquinolin-2-yl (2S)-2-amino-3-methylbutanoate; bis(4-methylbenzene-1-sulfonic acid)
IUPAC:(2R,3R,11bR)-9,10-dimethoxy-3-(2-methylpropyl)-1H,2H,3H,4H,6H,7H,11bH-pyrido[2,1-a]isoquinolin-2-yl (2S)-2-amino-3-methylbutanoate; bis(4-methylbenzene-1-sulfonic acid)