1900-33-0 2-(4-(p-Chlorophenyl)butyl)-6,7-dimethoxy-1-methyl-1,2,3,4-tetrahydroisoquinoline oxalate ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-2-(4-(p-CHLOROPHENYL)BUTYL)-6,7-DIMETHOXY-1-MET Isoquinoline, 1,2,3,4-tetrahydro-2-(4-(p-chlorophenyl)butyl)-6,7-dimethoxy-1-methyl-, oxalate