英文名：1H-Pyrazole-3-carboxylic acid, 5-hydroxy-4-[[5-[[4-[5-hydroxy-3-methyl-4-[[2-sulfo-5-[(2,5,6-trichloro-4-pyrimidinyl)amino]phenyl]azo]-1H-pyrazol-1-yl]benzoyl]amino]-2-sulfophenyl]azo]-1-(4-sulfophenyl)-, tetrasodium salt