A compound of general formula (I): ##STR1## wherein R.sup.1 is hydrogen, alkyl or optionally-substituted aralkyl; R.sup.2 is hydrogen or alkyl; Y is hydrogen, halogen, nitro, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or optionally substituted amino, and n is 1 or 2; each of the groups Y being the same or different when n is 2 and Y being other than hydrogen or halogen when R.sup.1 and R.sup.2 are both hydrogen; or a salt or metal complex of said compound. Fungicidal compositions containing these compounds and methods of using the same against plant fungal diseases are also disclosed.
通式(I)的化合物:##
STR1## 其中R.sup.1是
氢,烷基或可选取代的芳基
甲基; R.sup.2是
氢或烷基; Y是
氢,卤素,硝基,C.sub.1-4烷基,C.sub.1-4烷
氧基或可选取代的
氨基,n为1或2; 当n为2时,每个Y基相同或不同,且当R.sup.1和R.sup.2均为
氢时,Y不是
氢或卤素; 或该化合物的盐或
金属络合物。还公开了含有这些化合物的杀真菌组合物以及使用它们对抗植物真菌病的方法。