三乙酰基芦荟大黄素

3-甲氧基邻苯二甲酸

1-hydroxy-3-(hydroxymethyl)-8-methoxyanthracene-9,10-dione

4,5-dimethoxy-9,10-dioxoanthracene-2-carboxylic acid

3-(chloromethyl)-1,8-dihydroxyanthracene-9,10-dione