3-[[4-[[4-[(4-amino-6-chloro-1,3,5-triazin-2-yl)amino]-5-sulphonaphthyl]azo]-6-sulphonaphthyl]azo]naphthalene-1,5-disulphonic acid

3-[[4-[[4-[(4-Amino-6-chloro-1,3,5-triazin-2-yl)amino]-5-sulfo-1-naphthalenyl]azo]-6-sulfo-1-naphthalenyl]azo]-1,5-naphthalenedisulfonic acid