Cassic acid; 478-43-3;Rhubarb Yellow; Rheic acid; Chrysazin-3-carboxylic acid; 4,5-Dihydroxyanthraquinone-2-carboxylic acid;4,5-dihydroxy-9,10-dioxoanthracene-2-carboxylic acid; Monorhein; 

3,4,8,10-Tetrahydroxy-2-(hydroxymethyl)-9-methoxy-3,4,4a,10b-tetrahydro-2H-pyrano[3,2-c]isochromen-6-one; BERGENIN;Bengenin;3,4,4a,10b-tetrahydro-3,4,8,10-tetrahydroxy-2-(hydroxymethyl)-9-methoxypyrano[3,2-c][2]benzopyran-6(2H)-one;