Benzimidazoline salts of formula (I):
wherein:
Rn(+) represents a cation having a valency of n, n being an integer from 1 to 3;
R1 represents halo or trifluoromethyl;
R2 represents hydrogen or C1-4 alkyl; and
R3 represents hydrogen, or fluoro or C1-3
fluoroalkyl, have been found to be effective ectoparasiticides.
式(I)的
苯并咪唑啉盐:其中:Rn(+) 代表阳离子,阳离子的化合价为 n,n 为 1 至 3 的整数;R1 代表卤代或三
氟甲基;R2 代表氢或 C1-4 烷基;R3 代表氢或
氟或 C1-3 氟烷基。