Triacid Fast Red 3BNL.

disodium 3-[[5-chloro-2-(phenylmethoxy)phenyl]azo]-4-hydroxy-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate

3-[[2-(Benzyloxy)-5-chlorophenyl]azo]-4-hydroxy-5-[[(4-methylphenyl)sulfonyl]amino]-2,7-naphthalenedisulfonic acid disodium salt

2, 7-Naphthalenedisulfonic acid, 3-[[5-chloro-2-(phenylmethoxy) phenyl]azo]-4-hydroxy-5-[[(4-methylphenyl) sulfonyl] amino], disodium salt