7-naphthalenedisulfonato(4-)]-(2-hydroxy-5-nitrophenyl)azo]- tetrapotassium

Cobaltate(5-), b is[5-[(4-amino-6-chloro-1,3,5-triazin-2-yl) amino]-4-hydroxy-3-[(2-hydroxy-5-nitrophenyl) azo]-2,7-naphthalenedisulfonato(4-)]-, tetrapotassium sodium