Isothiocyano substituted 2-phenoxy, 2-phenylthio and 2-phenylamino-benzoxazoles have anthelmintic activity in warm-blooded animals. Included are compounds of the formula ##SPC1## In which one of R.sub.2 and R.sub.5 is isothiocyano and the other is hydrogen, methyl, methoxy, chlorine or nitro; Y is oxygen, sulphur or ##EQU1## wherein R is hydrogen or methyl; and n is 0 or 1.
具有驱虫活性的等
硫氰基取代的2-苯氧基,2-苯
硫基和2-苯
氨基
苯并咪唑在温血动物中具有驱虫活性。包括以下公式的化合物:##
SPC1##
其中R.sub.2和R.sub.5中的一个是等
硫氰基,另一个是氢,甲基,甲氧基,
氯或硝基; Y是氧,
硫或##EQU1##
其中R是氢或甲基; n为0或1。