Sulfapirazol, Sulfapyrazol, SULFAZAMET, 5-(4-Aminobenzolsulfonylamino)-3-methyl-1-phenylpyrazol, sulfamethylphenazole, Sulfanilsaeure-(5-methyl-2-phenyl-2H-pyrazol-3-ylamid), sulfapyrazole, sulfanilic acid-(5-methyl-2-phenyl-2H-pyrazol-3-ylamide), Vesulong vet., 5-Sulfanilylamino-3-methyl-1-phenyl-pyrazol, 4-amino-N-(5-methyl-2-phenyl-2H-pyrazol-3-yl)-benzenesulfonamide, Solfapirazolo, Solfapirazolo [DCIT], Sulfapyrazolum, Sulphapyrazole