Isothiocyanobenzoxazoles having the structure ##STR1## wherein R.sub.1 is hydrogen, alkyl, alkoxy, or halogen; X is O or S; R.sub.2 is 1-pyrrolidinyl, 1-piperidinyl, 4-morpholinyl, 4-thiamorpholinyl, 4-alkyl-1-piperazinyl, 4-alkyl-1-piperidinyl or 3-alkyl-1-pyrrolidinyl, are useful anthelmintic agents.
具有以下结构的异
硫氰基苯并
噁唑 ##STR1## 其中R.sub.1为氢,烷基,烷氧基或卤素;X为O或S;R.sub.2为1-
吡咯烷基,1-
哌啶基,4-吗啉基,4-
硫代吗啉基,4-烷基-1-
哌嗪基,4-烷基-1-
哌啶基或3-烷基-1-
吡咯烷基,是有用的驱虫剂。