The invention relates to new isoxazoline compounds of formulawherein the variables have the meaning as indicated in the claims in free form and in salt form and optionally the enantiomers and geometrical isomers thereof. The compounds of formula (I) are useful in the control of parasites, in particular ectoparasites, in and on warm-blooded animals.本發明係關於下式之新穎異噁唑啉化合物,其中變數具有如申請專利範圍中所指示之含義;該等化合物呈游離形式及呈鹽形式;及視情況存在之其對映異構體及幾何異構體。該等式(I)化合物適用於控制溫血動物體內及其上之寄生物,尤其外寄生物。
