4-((4-((6-(3-(tert-Butyl)phenoxy)-4-chloro-1,3,5-triazin-2-yl)amino)-2-sulphophenyl)azo)-4,5-dihydro-5-oxo-1-(4-sulphophenyl)-1H-pyrazole-3-carboxylic acid 94042-71-4 EINECS 301-736-8