This note refers to Pickering and its use as fungicide. 1. Claim 1: a formula compound (1),X is hydrogen or C (o) r8309；a. It is hydrogen, C (o) r8309o Q； q is a formula compound (2)；W = O, s； R1 and R1 are independent hydrogen or tar, which can be replaced by 0, 1 or more r831222；Alternatively, R1 and R1 may together form a carbohydrate or saturated or partially saturated heterocycle of 3 to 6 members, optionally substituting 0, 1 or multiple r831222；R2 and R2 are independent hydrogen or methyl； R3 is arilo or heterogeneous, each of which can be replaced by 0, 1 or more r831222；Z is s (o) 8345；,R83088 is tar, arilo, heterochromatic or ACIO, and each alternative is replaced by 0, 1 or more r831222；R83099 is alcoxi or benciloxi, each alternative is replaced by 0, 1 or multiple r831222；R83100s is hydrogen, oxygen or halogen, each alternative is replaced by 0, 1 or more r831222；R8311 is hydrogen, - C (o) r8313 o-ch8322； (OC (o) r8313；R831222 is hydrogen, tar, arilo, ACIO, halo, alquenilo, alcoxi or isocyclohexane, each of which is replaced by 0, 1 or multiple r830404；R8313 is tar, alcoxi or arilo, each alternative being replaced by 0, 1 or multiple r831222；And r183044 are hydrogen, tar, arilo, ACIO, halo, alquenilo, alcoxi or isocyclohexane；La presente descripción se refiere a picolinamidas y su uso como fungicidas. Reivindicación 1: Un compuesto de fórmula (1), en donde X es hidrógeno o C(O)R⁵； Y es hidrógeno, C(O)R⁵ o Q； Q es un compuesto de fórmula (2)； en donde W = O, S； R¹ y R¹¹ son independientemente hidrógeno o alquilo, opcionalmente sustituidos con 0, 1 o múltiples R⁸, alternativamente, R¹ y R¹¹ se pueden tomar juntos para formar un carbociclo o heterociclo saturado o parcialmente saturado de 3 a 6 miembros, opcionalmente sustituido con 0, 1 o múltiples R⁸； R² y R¹² son independientemente hidrógeno o metilo； R³ es arilo o heteroarilo, cada uno opcionalmente sustituido con 0, 1 o múltiples R⁸； Z es S(O)ₙ, en donde n = 0, 1 ó 2； R⁴ es alquilo, arilo, heteroaril
