英文别名
                        2,2'-(1,3,5,7-tetraoxo-1,3,5,7-tetrahydro-2H,6H-[1,4]dithiino[2,3-c:5,6-c']dipyrrol-2,6-diyl)dihexanoic acid;2,2'-(1,3,5,7-tetraoxo-2,3,5,7-tetrahydro-2H,6H-[1,4]dithiino[2,3-c:5,6-c']dipyrrol-2,6-diyl)dihexanoic acid;2-[11-(1-Carboxypentyl)-4,6,10,12-tetraoxo-2,8-dithia-5,11-diazatricyclo[7.3.0.03,7]dodeca-1(9),3(7)-dien-5-yl]hexanoic acid