Triazole derivatices useful as lipid peroxidation inhibitors have the formula:
in which R¹ is a hydrogen atom, a C₁-C₄ alkyl group, an acetyl group, a naphthylmethyl group, an anthrylmethyl group or a group of the formula
(in which X, Y and Z are the same or different and each is a hydrogen or halogen atom, a C₁-C₄ alkyl group, a C₁-C₄ alkoxy group, a hydroxyl group, a nitro group, a trifluoromethyl group, a cyano group or a benzyloxy group); R² is a hydrogen atom or an acetyl group; and R³ is a hydrogen atom, an acetyl group or a group of the formula
(in which R¹ and R² have the meanings defined above).