英文名称
5-[3-[6-carboxy-4,5-dihydroxy-3-[3-(4-hydroxy-3-methoxyphenyl)prop-2-enoyloxy]oxan-2-yl]oxy-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1-[2-(2,6-dicarboxy-2,3-dihydro-1H-pyridin-4-ylidene)ethyl]-6-hydroxy-2,3-dihydro-1H-indol-1-ium-2-carboxylate