A compound of formula,, or, its optical isomer, cis-trans isomer, or its agrochemically acceptable salts thereof, wherein R 1 is 5 or 6 membered heterocycle containing nitrogen, oxygen and/or sulfur atom, halo-substituted 5 or 6 membered heterocycle containing nitrogen, oxygen and/or sulfur atom, substituted or unsubstituted phenyl, wherein the substituents are one or more groups selected from the group consisting of halogen atoms, C 1-4 halo-alkyl or C 1-4 chloro-alkoxyl; R 2 is H, C 1-8 saturated or unsaturated alkyl, halo-substituted C 1-8 saturated or unsaturated alkyl, -CH 2 CH 2 OCH 2 CH 3, -CH 2 CH 2 OCH 3, C 1-4 alkyl-carbonyl, C 1-4 alkyl-sulfonyl, phenyl, unsubstituted benzyl or benzyl substituted by one or more groups selected from the group consisting of halogen atom, C 1-4 halo-alkyl or C 1-4 chloro-alkoxyl; R 3 and R 4 are independently selected from H, C 1-6 alkyl, allyl, benzyl, C 1-4 alkoxyl-C 1-4 alkyl, C 1-4 alkoxyl-carbonyl, phenoxycarbonyl, C 2-6 alkynyl-carbonyl, C 2-3 alkenyl-carbonyl, C 3-6 cycloalkyl-carbonyl, unsubstitued benzoyl group or benzoyl group substituted by one or more groups selected from the group consisting of halogen atoms, C 1-4 alkyl, C 1-4 halo-alkyl, C 1-4 alkoxyl or C 1-4 alkyl-carbonyl, furan carbonyl or N, N-dimethylamino carbonyl; or R 3 and R 4 together form -CH 2 -CH 2 -, -CH 2 -CH 2 -CH 2 - or -CH 2 -XR-CH 2 -, wherein X represents heteroatom; R is substituent on X and selected from H, C 1-6 alkyl, allyl, benzyl, phenyl, C 1-4 alkoxyl-C 1-4 alkyl, C 1-4 alkoxyl-carbonyl, phenoxycarbonyl, C 2-6 alkynyl-carbonyl, C 2-3 alkenyl-carbonyl, C 3-6 cycloalkyl-carbonyl, unsubstitued benzoyl group or benzoyl group substituted by one or more groups selected from the group consisting of halogen atoms, C 1-4 halo-alkyl, C 1-8 saturated or unsaturated alkyl or alkoxyl, or C 1-4 alkyl-carbonyl, furan carbonyl or N, N-dimethylamino carbonyl. R 5, R 6, R 7, R 8 and R 9 are H, saturated or unsaturated C 1-4 alkyl, halogen, saturated or unsaturated C 1-8 alkoxyl, saturated or unsaturated C 1-4 halo-alkoxyl, C 1-4 alkyl-carbonyl, C 1-4 alkyl-sulfonyl, phenyl or benzyl; Y is nitro, cyano, trifluoromethyl, trifluoroacetyl, or trifluoromethylsulfonyl; or the compound is Compound No. 71 or Compound No. 73; wherein R 1 is 5 or 6 membered heterocycle containing nitrogen, oxygen and/or sulfur atom, halo-substituted 5 or 6 membered heterocycle containing nitrogen, oxygen and/or sulfur atom, substituted or unsubstituted phenyl, wherein the substituents are one or more groups selected from the group consisting of halogen atoms, C 1-4 halo-alkyl or C 1-4 chloro-alkoxyl; R 2 is H, C 1-8 saturated or unsaturated alkyl, halo-substituted C 1-8 saturated or unsaturated alkyl, -CH 2 CH 2 OCH 2 CH 3, -CH 2 CH 2 OCH 3, C 1-4 alkyl-carbonyl, C 1-4 alkyl-sulfonyl, phenyl, unsubstituted benzyl or benzyl substituted by one or more groups selected from the group consisting of halogen atom, C 1-4 halo-alkyl or C 1-4 chloro-alkoxyl; R 3 and R 4 are independently selected from H, C 1-6 alkyl, allyl, benzyl, C 1-4 alkoxyl-C 1-4 alkyl, C 1-4 alkoxyl-carbonyl, phenoxycarbonyl, C 2-6 alkynyl-carbonyl, C 2-3 alkenyl-carbonyl, C 3-6 cycloalkyl-carbonyl, unsubstitued benzoyl group or benzoyl group substituted by one or more groups selected from the group consisting of halogen atoms, C 1-4 alkyl, C 1-4 halo-alkyl, C 1-4 alkoxyl or C 1-4 alkyl-carbonyl, furan carbonyl or N, N-dimethylamino carbonyl; or R 3 and R 4 together form -CH 2 -CH 2 -, -CH 2 -CH 2 -CH 2 - or -CH 2 -XR-CH 2 -, wherein X represents heteroatom; R is substituent on X and selected from H, C 1-6 alkyl, allyl, benzyl, phenyl, C 1-4 alkoxyl-C 1-4 alkyl, C 1-4 alkoxyl-carbonyl, phenoxycarbonyl, C 2-6 alkynyl-carbonyl, C 2-3 alkenyl-carbonyl, C 3-6 cycloalkyl-carbonyl, unsubstitued benzoyl group or benzoyl group substituted by one or more groups selected from the group consisting of halogen atoms, C 1-4 halo-alkyl, C 1-8 saturated or unsaturated alkyl or alkoxyl, or C 1-4 alkyl-carbonyl, furan carbonyl or N, N-dimethylamino carbonyl. R 5, R 6, R 7, R 8 and R 9 are H, saturated or unsaturated C 1-4 alkyl, halogen, saturated or unsaturated C 1-8 alkoxyl, saturated or unsaturated C 1-4 halo-alkoxyl, C 1-4 alkyl-carbonyl, C 1-4 alkyl-sulfonyl, phenyl or benzyl; Y is nitro, cyano, trifluoromethyl, trifluoroacetyl, or trifluoromethylsulfonyl; or the compound is Compound No. 71 or Compound No. 73;