84051-91-2 EINECS 281-881-0 Trilithium 2-((4-chloro-6-methoxy-1,3,5-triazin-2-yl)amino)-5-((4,5-dihydro-3-methyl-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl)azo)benzene-1,4-disulphonate