An objective of the present invention is to provide an ectoparasite control agent for homothermic animals, which has high control effect and is safe. The compounds according to the present invention are compounds represented by formula (I) and salts thereof:
1
wherein R
1
represents optionally substituted alkyl; optionally substituted alkenyl; optionally substituted alkynyl; OR
5
wherein R
5
represents optionally substituted alkyl, optionally substituted alkenyl, or optionally substituted alkynyl; or SR
5
wherein R
5
is as defined above, R
2
represents optionally substituted alkyl, any one of R
3
and R
4
represents hydrogen and the other represents fluorine, chlorine, bromine, or CF
3
, and X represents fluorine or chlorine.
本发明的目标是提供一种高效且安全的温血动物外寄生虫控制剂。根据本发明的化合物是由公式(I)表示的化合物及其盐:1其中R1表示可选取代的烷基;可选取代的
烯基;可选取代的炔基;OR5,其中R5表示可选取代的烷基,可选取代的
烯基或可选取代的炔基;或SR5,其中R5如上定义,R2表示可选取代的烷基,R3和R4中的任意一个表示
氢,另一个表示
氟、
氯、
溴或
CF3,X表示
氟或
氯。