6-(3,4-dimethoxy-phenyl)-5,6,7,8-tetrahydro-naphtho[2,3-d][1,3]dioxol-5-ylamine

6,7-dimethoxy-2-methyl-4H-isoquinoline-1,3-dione

6-氨基-1,3-苯并二氧代-5-羧酸

ethyl 5,6-dihydro-8,9-dimethoxy-5-methyl-3,6-dioxo-3H-pyrano(2,3-c)isoquinoline-2-carboxylate

1,2,3,4-tetrahydro-6,7-dimethoxy-4-(methoxymethylene)-2-methylisoquinoline-1,3-dione