邻苯二甲醛

邻羧基苯甲醛

1'-[(2-hydroxyethyl)imino]-2'-(2-hydroxyethyl)-3'-hydroxy-3'-[2-(2-hydroxyethyl)-2,3-dihydro-1H-benzo[c]pyrrol-1-on-3-yl]-2',3'-dihydro-1'H-benzo[c]pyrrol