6,7-Dimeth-oxy-3-meth-oxy-carbonyl-1-(2-meth-oxy-phen-yl)-3,4-dihydro-isoquinoline 2-oxide.

6,7-Dimeth-oxy-3-meth-oxy-carbonyl-1-(2-meth-oxy-phen-yl)-3,4-dihydro-isoquinoline 2-oxide.