岛青毒素

1,4-dihydroxy-5-methoxy-2-methylanthracene-9,10-dione

大黄酚

methyl 3-methyl-4-<3-chloro-5-hydroxynaphthoquinonyl-2>-2-butenoate

8-hydroxy-1-methoxy-3-methylanthracene-9,10-dione