A compound of formula or a salt or an enantiomer thereof, wherein X is O, S, NH, C, C or CH=CH, R 0 is H, C 1 -C 4 -alkyl or hydroxyl; n is 0 or 1, each R is independently halogen; C 1 -C 6 -alkyl; C 1 -C 6 -haloalkyl; C 3 -C 6 -cycloalkyl; C 3 -C 6 -halocycloalkyl; amino; N-mono- or N,N-di-C 1 -C 4 -alkylamino; hydroxy; C 1 -C 6 -alkoxy; C 1 -C 6 -haloalkoxy; C 1 -C 6 -alkylthio; C 1 -C 6 -haloalkylthio; C 1 -C 6 -alkyl-sulfinyl; C 1 -C 6 -haloalkylsulfinyl; C 1 -C 6 -alkylsulfonyl; C 1 -C 6 -haloalkylsulfonyl; SF 5; tri-C 1 -C 4 -alkylsilyl; C 1 -C 6 -alkoxycarbonyl; aminocarbonyl; N-mono- or N,N-di-C 1 -C 6 -alkylaminocarbonyl; aminosulfonyl; N-mono- or N,N-di-C 1 -C 6 -alkylaminosulfonyl; N-C 1 -C 6 -alkylsulfonylamino; C 1 -C 6 -alkoxycarbonylamino; N-C 1 -C 4 -alkyl-N-C 1 -C 6 -alkoxycarbonylamino; cyano; nitro; or C 3 -C 6 -heterocyclyl which is unsubstituted or substituted by halogen, C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl, C 3 -C 6 -cyclolalkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkoxy, amino, cyano or nitro; m is an integer from 0 to 4; each R 1 is independently halogen; C 1 -C 6 -alkyl; C 1 -C 6 -haloalkyl; C 3 -C 6 -cycloalkyl; C 3 -C 6 -halocycloalkyl; C 1 -C 6 -alkoxy; C 1 -C 6 -haloalkoxy; C 1 -C 6 -alkylthio; C 1 -C 6 -haloalkylthio; C 1 -C 6 -alkyl-sulfinyl; C 1 -C 6 -haloalkylsulfinyl; C 1 -C 6 -alkylsulfonyl; C 1 -C 6 -haloalkylsulfonyl; SF 5; amino; N-mono- or N,N-di-C 1 -C 6 -alkylamino; tri-C 1 -C 4 -alkylsilyl; C 1 -C 6 -alkoxycarbonyl; aminocarbonyl; N-mono- or N,N-di-C 1 -C 6 -alkylaminocarbonyl; N,N-di-C 1 -C 4 -alkylamino-C 1 -C 4 -alkylaminocarbonyl; aminosulfonyl; N-mono- or N,N-di-C 1 -C 6 -alkylaminosulfonyl; N-C 1 -C 6 -alkylsulfonylamino; C 1 -C 6 -alkoxycarbonylamino; N-C 1 -C 4 -alkyl-N-C 1 -C 6 -alkoxycarbonylamino; cyano; nitro; hydroxy; B 2; or phenyl, benzoyl, C 3 -C 6 -heterocyclyl, C 3 -C 6 -heterocyclyloxy or C 6 -C 8 -benzoheterocyclyl, which is each unsubstituted or substituted by halogen, C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl, C 3 -C 6 -cycloalkyl; C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkoxy, amino, cyano or nitro; and r is an integer of from 1 to 4. R 0 is H, C 1 -C 4 -alkyl or hydroxyl; n is 0 or 1, each R is independently halogen; C 1 -C 6 -alkyl; C 1 -C 6 -haloalkyl; C 3 -C 6 -cycloalkyl; C 3 -C 6 -halocycloalkyl; amino; N-mono- or N,N-di-C 1 -C 4 -alkylamino; hydroxy; C 1 -C 6 -alkoxy; C 1 -C 6 -haloalkoxy; C 1 -C 6 -alkylthio; C 1 -C 6 -haloalkylthio; C 1 -C 6 -alkyl-sulfinyl; C 1 -C 6 -haloalkylsulfinyl; C 1 -C 6 -alkylsulfonyl; C 1 -C 6 -haloalkylsulfonyl; SF 5; tri-C 1 -C 4 -alkylsilyl; C 1 -C 6 -alkoxycarbonyl; aminocarbonyl; N-mono- or N,N-di-C 1 -C 6 -alkylaminocarbonyl; aminosulfonyl; N-mono- or N,N-di-C 1 -C 6 -alkylaminosulfonyl; N-C 1 -C 6 -alkylsulfonylamino; C 1 -C 6 -alkoxycarbonylamino; N-C 1 -C 4 -alkyl-N-C 1 -C 6 -alkoxycarbonylamino; cyano; nitro; or C 3 -C 6 -heterocyclyl which is unsubstituted or substituted by halogen, C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl, C 3 -C 6 -cyclolalkyl, C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkoxy, amino, cyano or nitro; m is an integer from 0 to 4; each R 1 is independently halogen; C 1 -C 6 -alkyl; C 1 -C 6 -haloalkyl; C 3 -C 6 -cycloalkyl; C 3 -C 6 -halocycloalkyl; C 1 -C 6 -alkoxy; C 1 -C 6 -haloalkoxy; C 1 -C 6 -alkylthio; C 1 -C 6 -haloalkylthio; C 1 -C 6 -alkyl-sulfinyl; C 1 -C 6 -haloalkylsulfinyl; C 1 -C 6 -alkylsulfonyl; C 1 -C 6 -haloalkylsulfonyl; SF 5; amino; N-mono- or N,N-di-C 1 -C 6 -alkylamino; tri-C 1 -C 4 -alkylsilyl; C 1 -C 6 -alkoxycarbonyl; aminocarbonyl; N-mono- or N,N-di-C 1 -C 6 -alkylaminocarbonyl; N,N-di-C 1 -C 4 -alkylamino-C 1 -C 4 -alkylaminocarbonyl; aminosulfonyl; N-mono- or N,N-di-C 1 -C 6 -alkylaminosulfonyl; N-C 1 -C 6 -alkylsulfonylamino; C 1 -C 6 -alkoxycarbonylamino; N-C 1 -C 4 -alkyl-N-C 1 -C 6 -alkoxycarbonylamino; cyano; nitro; hydroxy; B 2; or phenyl, benzoyl, C 3 -C 6 -heterocyclyl, C 3 -C 6 -heterocyclyloxy or C 6 -C 8 -benzoheterocyclyl, which is each unsubstituted or substituted by halogen, C 1 -C 4 -alkyl, C 1 -C 4 -haloalkyl, C 3 -C 6 -cycloalkyl; C 1 -C 4 -alkoxy, C 1 -C 4 -haloalkoxy, amino, cyano or nitro; and r is an integer of from 1 to 4.