63937-71-3 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-1-(4-CHLORO-alpha-METHYL)PHENETHYL-6,7-DIMETHOX Isoquinoline, 1,2,3,4-tetrahydro-1-(4-chloro-alpha-methyl)phenethyl-6,7-dimethoxy-2-methyl-, hydrobromide