Compounds of formula (I) and salts thereof as phytopathogenic fungicides wherein A
1
is substituted 2-pyridyl; A
2
is optionally substituted phenyl; L is —(C═O)—, —SO
2
— or —(C═S)—; R
1
is hydrogen, optionally substituted alkyl or acyl; and R
2
is hydrogen or optionally substituted alkyl are useful phytopathogenic fungicides.
化合物式(I)及其盐是植物病原真菌的杀菌剂,其中A1是取代的2-
吡啶基;A2是可选取代的苯基;L为—(C═O)—、—SO2—或—(C═S)—;R1是氢、可选取代的烷基或酰基;R2是氢或可选取代的烷基,是有用的植物病原真菌杀菌剂。