USING A 1-N- (HALO-3-PYRIDYLMETHYL) N-METHYLAMINE-1-ALKYLAMINE-2-NITROETHYLENE DERIVATIVE FOR PREPARATION OF A TOPICAL VETERINARY PHARMACEUTICAL COMPOSITION FOR COMBATING EXTERNAL PARASITES
Use of at least 1-N-(halo-3-pyridylmethyl)-N-methylamino-1-alkylamino-2-nitroethylene derivative (I) as an active ingredient and a support, for the preparation of a pharmaceutical composition to be administered topically for the prevention and/or treatment of flea infestation in pets, is claimed. Use of at least 1-N-(halo-3-pyridylmethyl)-N-methylamino-1-alkylamino-2-nitroethylene derivative of formula (I) as an active ingredient and a support, for the preparation of a pharmaceutical composition to be administered topically for the prevention and/or treatment of flea infestation in pets, is claimed. Hal : F, Cl, Br or I; R 1, R 2H, 1-6C alkyl or 3-7C cycloalkyl; and R 3H or 1-6C alkyl. [Image] ACTIVITY : Insecticide; Acaricide. MECHANISM OF ACTION : None given.