5,8-dihydroxy-2,3-dihydronaphthalene-1,4-dione

1,4-dihydroxy-6-methoxyanthracene-9,10-dione

(4,6-diacetyloxy-5,12-dioxotetracen-1-yl) acetate

1,4,6-三羟基蒽醌

[(4-hydroxy-5,8-dioxonaphthalen-1-yl)-(4-nitrophenyl)methyl] carbonate