Benzoic acid,2-hydroxy-3-nitro-5-sulfo-,sodium salt (1:1), SODIUM HYDROGEN 3-NITRO-5-SULFONATOSALICYLATE, EINECS 279-300-0, Sodium hydrogen 3-nitro-5-sulphonatosalicylate, Benzoicacid,2-hydroxy-3-nitro-5-sulfo-,monosodium salt (9CI), Salicylic acid,3-nitro-5-sulfo-,sodium salt (6CI)