Synonyms: Benzenesulfonicacid, 3-[(1,4,5,6-tetrahydro-4,6-dioxo-1,3,5-triazin-2-yl)amino]-, monosodiumsalt (9CI); Metanilic acid, N-(4,6-dihydroxy-s-triazin-2-yl)-, monosodium salt(8CI); Metanilic acid, N-(4,6-dihydroxy-s-triazin-2-yl)-, sodium salt (7CI)