(9,9'-Bianthracene)-2,2'-dicarboxylic acid, 5,5'-bis(beta-D-glucopyranosyloxy)-9,9',10,10'-tetrahydro-4,4'-dihydroxy-10,10'-dioxo-, calcium salt, (R*,R*)- (R*,R*)-5,5'-Bis(beta-D-glucopyranosyloxy)-9,9',10,10'-tetrahydro-4,4'-dihydroxy-10,10'-dioxo(9,9'-bianthracene)-2,2'-dicarboxylic acid, calcium salt (R*,R*)-5,5'-Bis(beta-D-glucopyranosyloxy)-9,9',10,10'-tetrahydro-4,4'-dihydroxy-10,10'-dioxo-(9,9'-bianthracene)-2,2'-dicarboxylic acid calcium salt 5,5'-Bis(beta-D-glucopyranosyl)-9,9',10,10'-tetrahydro-4,4'-dihydroxy-10,10'-dioxo(9,9'-bianthracen)-2,2'-dicarbonsaeure calciumsalz (Aglucon D-form) 52730-36-6 EINECS 258-140-5 Sennosid A, calciumsalz Sennoside A calcium salt