| abstract |
The present invention addresses the problem of providing a canine filariasis control agent for animals that exerts excellent efficacy when administered to a target animal, and a method of the use of a canine filariasis control agent in a target animal with the use of aforesaid agent.　The present invention provides a benzimidazole compound represented by general formula (1) [wherein: R represents a hydrogen atom, etc.; X1, X3, Y1, Y2, Y3 and Y4 represent a hydrogen atom, etc.; and X2 represents a substituted phenylalkyl group, etc.] or a salt thereof, a canine filariasis control agent for animals comprising the same as an active ingredient, a method of the use thereof, etc. |