113443-70-2 2-Anthroic acid, 9,10-dihydro-9,10-dioxo-5-beta-D-glucopyranosyloxy-4-hydroxy-, calcium salt 5-beta-D-Glucopyranosyloxy-9,10-dihydro-4-hydroxy-9,10-dioxo-2-anthroic acid calcium salt 8-Glucosylrhein Glucorein Glucorhein Rhein-8-glucoside calcium salt