bifuron corizium coryzium diafuron enterotoxon furall furaxon furaxone furazol furazolidine furazolidon furazolidona furazolidone furazolidonum furazolum furazon furidon furovag furox aerosol powder furoxal furoxane furoxon furoxone furoxone liquid furoxone swine mix furozolidine giardil giarlam medaron neftin nicolen nifulidone nifuran nifurazolidone nifurazolidonum nitrofurazolidone nitrofurazolidonum nitrofuroxon optazol ortazol puradin roptazol sclaventerol tikofuran topazone trichofuron tricofuron tricoron trifurox viofuragyn