英文名称
(2S,4E)-4-[2-[(2S)-2-carboxy-5-[(2S,3R,4S,5S,6R)-3-[(2R,3R,4S,5S,6S)-6-carboxy-3,4,5-trihydroxyoxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-6-hydroxy-2,3-dihydroindol-1-ium-1-ylidene]ethylidene]-2,3-dihydro-1H-pyridine-2,6-dicarboxylic acid