Piraken, EINECS 228-161-4, Methanesulfonic acid, ((2,3-dimethyl-1-phenyl-5-oxo-3-pyrazolin-4-yl)methylamino)-, magnesium salt, Algovant, Terapirol, Dopirol, Gewalgin, Pyrazolone magnesium, Magnesium ((2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)methylamino)methanesulphonate, Magnopyrol