10-hydroxy-6-methyl-2,3,4,5-tetrahydrophenanthridine-1,7-dione

6-methyl-3,4-dihydro-2H-phenanthridine-1,7,10-trione

9-羟基蒽

5-hydroxy-8-methylnaphthalene-1,4-dione

5-acetyl-6-allyl-4-hydroxycyclohexa-2,4-dien-1-one