for the following products
(1R)-1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-isoquinoline hydrochloride (1:1) | (R)-1-(3,4-Dimethoxy-benzyl)-6,7-dimethoxy-1,2,3,4-tetrahydro-isoquinoline hydrochloride | R-Tetrahydropapaverine and R-Tetrahydropapaverine hydrochloride
