1,3-dioxolo[4,5-g]isoquinoline, 5-[(4-methoxyphenyl)methyl]- 5-(4-methoxybenzyl)[1,3]dioxolo[4,5-g]isoquinoline InChI=1/C18H15NO3/c1-20-14-4-2-12(3-5-14)8-16-15-10-18-17(21-11-22-18)9-13(15)6-7-19-16/h2-7,9-10H,8,11H2,1H