Synonyms: Vasal;Vasorin;Spasmo Nit;Therapav;Paveron;Ro-Papav;Pavadel;Pavagen;Pavakey;Pavased;Vasospan;1-(3,4-Dimethoxybenzyl)-6,7-dimethoxyisoquinoline hydrochloride;6,7,3',4'-Tetramethoxy-1-benzylisoquinoline hydrochloride;6,7-Dimethoxy-1-(3,4-dimethoxybenzyl)isoquinoline hydrochloride;Isoquinoline,1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-, hydrochloride (9CI);Isoquinoline, 6,7-dimethoxy-1-veratryl-, hydrochloride (8CI);6,7-Dimethoxy-1-veratrylisoquinoline hydrochloride;Papaverine hydrochloride;Papaverinium chloride;Papaversan;Paptial TR;Pavabid;Pavacap;Pavacen;Artegodan;Cardiospan;Cardoverina;Cepaverin;Cerebid;Cerespan;Dispamil;Drapavel;Dynovas;Myobid;Optenyl;Pameion;Panergon;Papavarine chlorhydrate;