pentasodium 4-amino-6-[[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulphonatophenyl]azo]-3-[(2,5-disulphonatophenyl)azo]-5-hydroxynaphthalene-2,7-disulphonate

4-Amino-6-[[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-[(sodiooxy)sulfonyl]phenyl]azo]-3-[[2,5-bis[(sodiooxy)sulfonyl]phenyl]azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt