1,8-DIHYDROXY-3-CARBOXYL ANTHRAQUINONE 1,8-Dihydroxyanthraquinone-3-carboxylic acid 2-Anthracenecarboxylic acid, 9,10-dihydro-4,5-dihydroxy-9,10-dioxo- 2-Anthroic acid, 9,10-dihydro-4,5-dihydroxy-9,10-dioxo- 2-Anthroic acid, 9,10-dihydro-4,5-dihydroxy-9,10-dioxo- (8CI) 4-10-00-04088 (Beilstein Handbook Reference) 478-43-3 9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid 9,10-Dihydro-4,5-dihydroxy-9,10-dioxoanthracene-2-carboxylic acid BRN 2222155 CCRIS 5129 Cassic acid Chrysazin-3-carboxylic acid EINECS 207-521-4 Monorhein NSC 38629 Rheic acid Rhein Rhubarb Yellow