6-[2-[3-[(3-Ethyl-1,1-dimethyl-6,8-disulfonato-1H-benzo[e]indole-3-ium)-2-yl]-2-propenylidene]-1,1-dimethyl-6,8-disulfonato-2,3-dihydro-1H-benzo[e]indole-3-yl]hexanoic acid succinimidyl ester

2-[3-[3-[6-(2,5-dioxopyrrolidin-1-yl)oxy-6-oxohexyl]-1,1-dimethyl-6,8-disulfobenzo[e]indol-3-ium-2-yl]prop-2-enylidene]-3-ethyl-1,1-dimethylbenzo[e]indole-6,8-disulfonic acid

WJAWZCFOWCGKEY-UHFFFAOYSA-O

CCN1C2=C(C3=C(C=C2)C(=CC(=C3)S(=O)(=O)O)S(=O)(=O)O)C(C1=CC=CC4=[N+](C5=C(C4(C)C)C6=C(C=C5)C(=CC(=C6)S(=O)(=O)O)S(=O)(=O)O)CCCCCC(=O)ON7C(=O)CCC7=O)(C)C