pentasodium 2-[[4-chloro-6-[[8-hydroxy-3,6-disulphonato-7-[(2-sulphonatophenyl)azo]-1-naphthyl]amino]-1,3,5-triazin-2-yl]amino]-5-sulphonatobenzoate

2-[[4-Chloro-6-[[8-hydroxy-3,6-bis(sodiosulfo)-7-[[2-(sodiosulfo)phenyl]azo]-1-naphtyl]amino]-1,3,5-triazin-2-yl]amino]-5-(sodiosulfo)benzoic acid sodium salt