1,4-Benzenedicarboxamide, N,N'-bis[4-[(1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-isoquinolinyl)methyl]phenyl]- NSC114757 p-Terephthalotoluidide, .alpha.,.alpha.'-bis(1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-isoquinolyl)-