6,7-dimethoxynaphthalene-1,4-dione

7,8-二氢萘并[2,3-d][1,3]二氧杂环戊烯-5(6H)-酮

4-(2-chloro-4,5-dimethoxyphenyl)butanoic acid

3,8,9-trimethoxy-5H-benzo[c]phenanthridin-2-one

N-(6,7-dimethoxy-3,4-dihydro-2H-naphthalen-1-ylidene)hydroxylamine