| abstract |
(57) [Summary] (With correction) [Solution] The following formula (I) Wherein R 1 is H, C 1-6 alkyl optionally substituted by one or more halogen atoms, halogen, CN, etc .; Ar is a ring “A” [where “A” Is a phenyl group, or “A” is 5- or 6- R 2 is H, Halogen, such as C 1-6 alkyl optionally substituted by one or more halogen atoms; 3 , R 4 , R 5 , R 6 and R 7 are each independently H, M is 0, 1 or 2; halogen, nitro, C 1-6 alkoxycarbonyl optionally substituted by one or more halogen atoms, and the like. Nitrile- or veterinarily-acceptable salts have new and useful parasiticidal properties. |