CAS: 61-25-6 Molecular Formula: C20H22ClNO4 Molecular Weight (g/mol): 375.849 InChI Key: UOTMYNBWXDUBNX-UHFFFAOYSA-N Synonym: papaverine hydrochloride,cardiospan,cardoverina,dispamil,drapavel,forpavin,papalease,papaversan,pavatest,paverolan PubChem CID: 6084 IUPAC Name: 1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxyisoquinoline;hydrochloride SMILES: COC1=C(C=C(C=C1)CC2=NC=CC3=CC(=C(C=C32)OC)OC)OC.Cl