2-Benzyl-3-(cyanomethyl)-1,4-dimethoxynaphthalene

6,11-dimethoxy-5H-benzo[4,5]cyclohepta[1,2-b]naphthalen-13(12H)-one

2-Benzyl-1,4-dimethoxynaphthalene-2-acetic acid

6,7-Benzo-3,4-(1,4-dimethoxy-2,3-naphtho)-5-hydroxy-1-oxosuberane

6,7-Benzo-3,4-(1,4-dimethoxy-2,3-naphtho)-1,2-dehydro-1-hydroxy-2-(3,3-dimethylacryloyl)-5-oxosuberane