英文别名
2-Carboxy-1-[(2,6-dicarboxy-2,3-dihydro-4(1H)-pyridinylidene)ethylidene]-2,3-dihydro-5,6-dihydroxy-1H-indolium hydroxide inner salt;1-[(2E)-2-(2,6-dicarboxy-2,3-dihydro-1H-pyridin-4-ylidene)ethylidene]-5,6-dihydroxy-2,3-dihydroindol-1-ium-2-carboxylate