2-((4-((4-((4-Chloro-6-((2,5-disulphophenyl)amino)-1,3,5-triazin-2-yl)methylamino)phenyl)azo)-5-methoxy-2-methylphenyl)azo)benzene-1,4-disulphonic acid 93924-01-7 EINECS 300-192-9