1-[(3,4-Dimethoxyphenyl)methyl]6,7-dimethoxyisoquinoline 4-[(6,7-Dimethoxyisoquinolyl)methyl]-1,2-dimethoxybenzene 58-74-2 (FREE BASE ) 61-25-6 (HCL) AIDS-000185 AIDS000185 Ceraspan NSC35443 (HCL) Papaverine Pavabid RS 47