2,7-Naphthalenedisulfonic acid, 5-4-chloro-6-(3-sulfophenyl)amino-1,3,5-triazin-2-ylamino-4-hydroxy-3-4-2-(sulfooxy)ethylsulfonylphenylazo-, sodium salt

5-[[4-chloro-6-[(3-sulphophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[[4-[[2-(sulphooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonic acid, sodium salt

5-[[4-Chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazine-2-yl]amino]-4-hydroxy-3-[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-2,7-naphthalenedisulfonic acid/sodium,(1:x) salt