Bispyridylphenoxyl fat amide derivative and medicinal use thereof

The invention discloses a bispyridylphenoxyl fat amide derivative and a medicinal use thereof. The chemical structure of the derivative is represented by formula I or formula II shown in the specification. In the formula I or II, R and R are selected from H and C1-C2 alkyl groups; X is selected from H, C1-C2 alkyl groups, F, Cl, B or I; X is selected from trifluoromethyl groups, F, Cl, Br or I; X and X are selected from H, C1-C2 alkyl groups or nitro groups; and X is selected from cyan groups or ethylamino groups. The invention also relates a medicinal composition containing the above compound, and an application of the bispyridylphenoxyl fat amide derivative in the preparation of anti-influenza virus neuraminidase inhibitors.