Benzoic acid, 2-[[1-[4-[2-[4-[[4-[[4-[(3-carboxy-4-hydroxyphenyl)azo]phenyl]amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]-3-sulfophenyl]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl]azo]-5-sulfo-