5'-Benzoylamino-5-(5-chloro-2,6-difluoro-4-pyrimidinylaminomethyl)-4'-hydroxy-(2,3'-azobisnaphthalene)-1,2',7'-trisulfonic acid trisodium salt

1-Hydroxy-8-benzoylamino-2-[5-[(2,4-difluoro-5-chloropyrimidin-6-yl)aminomethyl]-1-sulfo-2-naphtylazo]-3,6-naphthalenedisulfonic acid trisodium salt

2,7-Naphthalenedisulfonic acid, 5-(benzoylamino)-3-[[5-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]methyl]-1-sulfo-2-naphthalenyl]azo]-4-hydroxy-, trisodium salt