4259 R.P. 5,6-Diethoxy-1-(2,3-dimethoxybenzyl)-3,4-dihydroisoquinoline hydrochloride Chlorhydrate de (dimethoxy-2,3 benzyl)-1 dihydro-3,4 diethoxy-5,6 isoquinoleine [French] Isoquinoline, 3,4-dihydro-5,6-diethoxy-1-(2,3-dimethoxybenzyl)-, hydrochloride NW7624500