72968-75-3

Sodium 2-[[[2,5-dichloro-4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]sulfonyl]amino]ethanesulfonate 2-[[2,5-dichloro-4-[2-(2-phenylindol-3-ylidene)hydrazinyl]phenyl]sulfonylamino]ethanesulfonate sodium 2-[[[2,5-dichloro-4-[(2-phenyl-1H-indol-3-yl)azo]phenyl]sulphonyl]amino]ethanesulphonate 2-[2,5-Dichloro-4-(2-phenyl-1H-indol-3-ylazo)phenylsulfonylamino]ethanesulfonic acid sodium salt Ethanesulfonic acid,2-[[[2,5-dichloro-4-[2-(2-phenyl-1H-indol-3-yl)diazenyl]phenyl]sulfonyl]amino]-,sodium salt (1:1)