Similar names: Metamizole Sodium Monohydrate; 1-[(2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)methylamino]-methanesulfonic acid monosodium salt monohydrate; (Antipyrinylmethylamino)-methanesulfonic acid sodium salt monohydrate; [(2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)methylamino]-methanesulfonic acid sodium salt monohydrate; Dipyrone monohydrate; Metamizol monohydrate; Sodium (antipyrinylmethylamino)methanesulfonate hydrate