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-Anthraquinonecarboxylic acid, 4,5-dihydroxy-
9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid
Cassic acid
Chrysazin-3-carboxylic acid
1,8-Dihydroxyanthraquinone-3-carboxylic acid
Monorhein
Rheic acid
Rhein
Rhubarb yellow
4,5-Dihydroxy-2-anthraquinonecarboxylic acid
1,8-Dihydroxy-3-carboxyanthraquinone
NSC 38629
Rheinic acid