Claim 1: A composition comprising a molecule according to formula (1) wherein (a) X is N or CR8； (b) R1 is H, F, Cl, Br, I, CN, NO2, substituted or unsubstituted C1-6 alkyl, substituted or unsubstituted C2-6 alkenyl, substituted or unsubstituted C1-6 alkoxy, C2-6 alkenyl - substituted or unsubstituted oxy, substituted or unsubstituted C3-10 cycloalkyl, substituted or unsubstituted C3-10 cycloalkenyl, substituted or unsubstituted C6-20 aryl, substituted or unsubstituted C1-20 heterocyclyl, CR9, C (= X1) R9, C (= X1) OR9, C (= X1) N (R9) 2, N (R9) 2, N (R9) C (= X1) R9, SR9, S (O) nOR9 or R9S (O) nR9 , wherein each of said R1, which is substituted,it has one or more substituents selected from F, Cl, Br, I, CN, NO2, C1-6 alkyl, C2-6 alkenyl, C1-6 haloalkyl, C2-6 haloalkenyl, C1-6-oxy haloalkyl, C2-6 haloalkenyl -oxy, C3-10 cycloalkyl, C3-10 cycloalkenyl, C3-10 halocycloalkyl, C3-10 halocycloalkenyl, OR9, S (O) nOR9, C6-20 aryl or C1-20 heterocyclyl (each of which, which may be substituted, it may be optionally substituted with R9)；(c) R2 is H, F, Cl, Br, I, CN, NO2, substituted or unsubstituted C1-6 alkyl, substituted or unsubstituted C2-6 alkenyl, substituted or unsubstituted C1-6 alkoxy, C2-6 alkenyl - substituted or unsubstituted oxy, substituted or unsubstituted C3-10 cycloalkyl, substituted or unsubstituted C3-10 cycloalkenyl, substituted or unsubstituted C6-20 aryl, substituted or unsubstituted C1-20 heterocyclyl, OR9, C (= X1) R9, C (= X1) OR9, C (= X1) N (R9) 2, N (R9) 2, N (R9) C (= X1) R9, SR9, S (O) nOR9 or R9S (O) nR9 , wherein each of said R2, which is substituted, has one or more substituents selected from F, Cl, Br, I, CN, NO2, C1-6 alkyl, C2-6 alkenyl, C1-6 haloalkyl, C2- haloalkenyl 6, C1-6-oxy haloalkyl,a. Haloalquenil c2-6-ox, cycloquinolo c3-10, cycloaquilo c3-10, halocyclolaquilo c3-10, halocyclolaquenilo c3-10, or9, s (o) nor9, arilo c6-20 or C1-20 isomers (each of which can be replaced by R9)；(d) R3 is H, F, Cl, Br, I, CN, NO2, substituted or uns
