Oxazole, oxadiazole and thiadiazole compounds useful for controlling unwanted nematodes are described. Compositions containing the compounds can be applied to plants, for example soybeans, seeds, plant roots or the soil. Compositions containing the compounds can also be administered to animals, for example, livestock.本發明敘述有用於控制不欲線蟲之噁唑、噁二唑及噻二唑化合物。包含該等化合物之組成物可施用於植物，例如大豆、種子、植物根或土壤。含有該化合物之組成物，亦可對於動物例如家畜投予。
