Synonyms: 2,6-Pyridinedicarboxylicacid, 4-[2-[2-carboxy-5-(b-D-glucopyranosyloxy)-2,3-dihydro-6-hydroxy-1H-indol-1-yl]ethenyl]-2,3-dihydro-,[S-(R*,R*)]-;2-Carboxy-1-[2-(2,6-dicarboxy-2,3-dihydro-4(1H)-pyridylidene)ethylidene]-5-(b-D-glucopyranosyloxy)-6-hydroxyindoliniumhydroxide, inner salt (7CI);Betanin (8CI);(15S)-Betanin;Betanidin 5-b-D-glucopyranoside;Betanine;NSC170989;Phytolaccanin;