大黄素

(4,5-diacetyloxy-7-methyl-9,10-dioxoanthracen-2-yl) acetate

1,8-diacetoxy-3-hydroxyanthracene-9,10-dione-6-carbaldehyde

1,3,8-triacetoxyanthracene-9,10-dione-6-carbaldehyde

(6-hydroxymethyl-1,8-dihydroxy-9-oxo-10H-anthracen-3-yl) acetate