The present invention relates to novel triazole compounds of the formulae I and II as defined below which carry a sulfur substituent, to agricultural compositions containing them, to their use as fungicides and to intermediate compounds used in the method of producing them.L'invention concerne de nouveaux composés de triazole de formules (I), (II) et (IV) tels que définis ci-dessous, des compositions agricoles et pharmaceutiques contenant ces composés ainsi que leur utilisation comme fongicides et agents antimycotiques, anticancéreux et antiviraux.