1-(4-Nitrobenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride 63937-55-3 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-6,7-DIMETHOXY-2-METHYL-1-(4-NITROBENZYL)-, HYDR Isoquinoline, 1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-(4-nitrobenzyl)-, hydrochloride Isoquinoline, 6,7-dimethoxy-2-methyl-1-(4-nitrobenzyl)-1,2,3,4-tetrahydro-, hydrochloride