Dipyrone

Chemical Name: 1-[(2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)methylamino]methanesulfonic Acid Sodium Salt; (Antipyrinylmethylamino)methanesulfonic Acid Sodium Salt; ARPF; Algocalmin; Algopyrin; Anador; Analgin; Analgine; Andolor; Conmel; Diprofarn; Gifaril; Lisador; Metamizol; Metamizole; Metamizole Sodium; Metamizole Sodium Salt; Metapyrin; Methamizole Sodium; Methampyrone; Methylmelubrin; Metilon; Narone; Sulpin; Sulpyrin; Sulpyrine;

Smile: O=S(CN(C1=C(C)N(C)N(C2=CC=CC=C2)C1=O)C)([O-])=O.[Na+]