Synonyms: 7,7'-((2,2'-Disulpho(1,1'-biphenyl)-4,4'-diyl)bis(imino(6-chloro-1,3,5-triazine-4,2-diyl)imino(2-(carbamoylamino)-4,1-phenylene)azo))bis(naphthalene-1,3,6-trisulphonic) acid;7-[4-[[4-chloro-6-[[4-[4-[[4-chloro-6-[[4-[(3,6,8-trisulfo-2-naphthyl)azo]-3-ureido-phenyl]amino]-1,3,5-triazin-2-yl]amino]-2-sulfo-phenyl]-3-sulfo-phenyl]amino]-1,3,5-triazin-2-yl]amino]-2-ureido-phenyl]azonaphthalene-1,3,6-trisulfonic acid