英文同义词: | (2S)-4-[2-[[(2R)-2-Carboxy-2,3-dihydro-5,6-dihydroxy-1H-indol]-1-yl]ethenyl]-2,3-dihydro-2,6-pyridinedicarboxylic acid;Isobetanidin;Isobetanidine;2,6-Pyridinedicarboxylic acid, 4-[2-[(2R)-2-carboxy-2,3-dihydro-5,6-dihydroxy-1H-indol-1-yl]ethenyl]-2,3-dihydro-, (2S)- |