英文名称:3-Pyridinemethanesulfonicacid,5-[2-[5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]diazenyl]-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-,sodium salt (1:3); 3-Pyridinemethanesulfonicacid,5-[[5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]azo]-1-ethyl-1,6-dihydro-2-hydroxy-4-methyl-6-oxo-,trisodium salt (9CI)