1-(4-Chlorophenethyl)-2,3,6,7-tetramethyl-1,2,3,4-tetrahydroisoquinoline hydrochloride 63937-87-1 ISOQUINOLINE, 1,2,3,4-TETRAHYDRO-1-(4-CHLOROPHENETHYL)-2,3,6,7-TETRAMETHYL-, HYD Isoquinoline, 1,2,3,4-tetrahydro-1-(4-chlorophenethyl)-2,3,6,7-tetramethyl-, hydrochloride Isoquinoline, 1-(4-chlorophenethyl)-1,2,3,4-tetrahydro-2,3,6,7-tetramethyl-, hydrochloride