Einecs 280-099-7

sodium 2-[4-[[4-[[(p-tolyl)sulphonyl]oxy]-3-tolyl]azo]anilino]-5-nitrobenzenesulphonate

2-[[4-[[3-Methyl-4-[(4-methylphenyl)sulfonyloxy]phenyl]azo]phenyl]amino]-5-nitrobenzenesulfonic acid sodium salt

Benzenesulfonic acid, 2-[[4-[[3-methyl-4-[[(4-methylphenyl) sulfonyl]oxy]phenyl]azo]phenyl]amino] -5-nitro-, monosodium salt