1-(2-Chlorophenyl)-N-(1-methylpropyl)-N-(4-butyl-(N,N-dimethylamino)-3-isoquinolinecarboxamide)methyl iodide 1-Butanaminium, 4-(((1-(2-chlorophenyl)-3-isoquinolinyl)carbonyl)(1-methylpropyl)amino)-N,N,N-trimethyl-, iodide 136794-32-6 PQM-4