Chemical Name: 1-(3,4-Dimethoxybenzyl)-6,7-dimethoxyisoquinoline hydrochloride (As per EP) ; Isoquinoline, 1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-, hydrochloride (as per USP)

Smiles: COC1=C(OC)C=C(CC2=NC=CC3=C2C=C(OC)C(OC)=C3)C=C1.Cl