The aim of the invention is a rodenticidal compound of formula (I): as well as the isomers thereof, in particular enantiomers, diastereoisomers, tautomers or mixtures of isomers in all proportions, where: R1 is: H or (II) or (III) with X = H, OH, Cl, Br, F or N0 R2 is: (IV) or (V) or (VI) with X = H, OH, CI, Br, F or NO R3 is: O or S or (VII) with X = H, OH, Cl, Br, F or N0. The invention also relates to compositions containing such compounds as well as the use thereof in controlling harmful rodents.