82338-75-8

9-(2-carboxyphenyl)-3,6-bis(diethylamino)xanthylium bis[2,4-dihydro-4-[[2-hydroxy-5-(methylsulphonyl)-4-nitrophenyl]azo]-5-methyl-2-phenyl-3H-pyrazol-3-onato(2-)]chromate(1-)