1,2,3,4-Tetrahydro-2,3-dimethyl-8-phenylisoquinoline hydrobromide 2,3-Dimethyl-8-phenyl-1,2,3,4-tetrahydroisoquinoline hydrobromide 69381-62-0 Isoquinoline, 1,2,3,4-tetrahydro-2,3-dimethyl-8-phenyl-, hydrobromide