| abstract |
The present invention relates to a compound selected from the group consistingnof the compounds of the following formulae:n nwherein R 1 is a cyclopropyl group which may be substituted by 1 to 3 ofnsubstituents selected from the group consisting of a lower alkyl group and anhalogen atom, a phenyl group which may be substituted by 1 to 3 of substituentsnselected from the group consisting of a lower alkoxy group, a halogen atom and anhydroxy group on phenyl ring, a lower alkyl group which may be substituted by anhalogen atom, a lower alkanoyloxy group or a hydroxy group, a lower alkenylngroup, or a thienyl group; R 2' is a halogen atom or a 5- to 9-membered saturated ornunsaturated heterocyclic group which may be substituted; R 3 is a hydrogen atom, anlower alkyl group or a halogen atom; R 3' is a group of the formula: -CH(R 20 )SR 21 n(R 20 and R 21 are as defined hereinafter) or R 3 ; R 4 is a lower alkyl group or a halogennatom; R 5 is a group of the formula: -COR 10 (R 10 is a lower alkyl group) or a groupnof the formula: -COOR 11 (R 11 is a lower alkyl group); R 6 is a lower alkyl group; R 7 nis a group of the formula: -NR 12 R 13 (R 12 and R 13 are each a lower alkyl group) or anlower alkoxy group; R 20 is a hydrogen atom or a lower alkyl group; R 21 is a lowernalkyl group; R 25 , R 27 and R 28 are each a lower alkyl group; R 32 is a lower alkyl; andnX, X 2 , X 3 , X 4 and X 7 are each a halogen atom. |