| 摘要 |
<p>This invention relates to a method of controlling or preventing infestations of ectoparasites, preferably hematophageous ectoparasites, on an animal by administering to the animal a composition comprising an parasiticidally effective amount of a compound of Formula (1), or an N-oxide, or a pharmaceutically or veterinarily acceptable salt thereof, wherein R1 is Me, C1, Br or F; R2 is F, C1, Br, C1-C4 haloalkyl or C1-C4 haloalkoxy; R3 is F,C1 or Br; R4 is H; C1-C4 alkyl, C3-C4 alkenyl, C3-C4 alkynyl, C3-C5 cycloalkyl, or C4-C6 cycloalkylalkyl, each optionally substituted with one substituent selected from the group consisting of halogen, CN, SMe, S(O)Me, S(O)2Me, and OMe; R5 is H or Me; R6 is H, F or Cl; and R7 is H, F or C1.</p> |
