PESTICIDES CONTAINING DERIVATIVES OF N-PHENIL-PIRASOLE AND PROCESS FOR PRODUCTION OF THESE COMPOSITIONS

An N-phenylpyrazole derivative of the formula: wherein R represents cyano, nitro or halogen; R represents a group R SO2, R SO, or R S in which R represents alkyl, alkenyl or alkynyl unsubstituted or substituted by halogen; R represents azido or hydrazino, or pyrrol-1-yl, pyrazol-1-yl, imidazol-1-yl, 1,2,4-triazol-4-yl, 1,2,4-triazol-1-yl, 1,2,3-triazol-1-yl, 1,2,3-triazol-2-yl, piperidino, pyrrolidino, morpholino or N-alkylpiperazino, which may be substituted by alkyl or phenyl; and R represents phenyl substituted in the 2-position by fluorine, chlorine, bromine or iodine; in the 4-position by alkyl or alkoxy unsubstituted or substituted by halogen, or fluorine, chlorine, bromine or iodine; and unsubstituted or substituted in the 6-position by fluorine, chlorine, bromine or iodine and pesticidally acceptable acid addition salts thereof possess arthropodicidal, nematocidal, anthelmintic and anti-protozoal activity.