2-[6-[(4,6-Dichloro-s-triazin-2-yl)methylamino]-1-hydroxy-3-sulfo-2-naphtylazo]-1,5-naphthalenedisulfonic acid

2-[[6-[(4,6-dichloro-1,3,5-triazin-2-yl)methylamino]-1-hydroxy-3-sulpho-2-naphthyl]azo]naphthalene-1,5-disulphonic acid