Name  Tetrahydropapaverine hydrochloride 

Synonyms  1-(3,4-Dimethoxybenzyl)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride 

Molecular Formula  C20H25NO4.HCl 

Molecular Weight  379.88 

CAS Registry Number  6429-04-5 

EINECS  229-213-9