A molecule that has the following formula ("Formula I"): ** Formula ** where: (a) X is N or CR8； (b) R1 is H, F, Cl, Br, I, CN, NO2, substituted or unsubstituted C1-C6 alkyl, substituted or unsubstituted C2-C6 alkenyl, substituted or unsubstituted C1-C6 alkoxy, C2-C6 alkenyloxy substituted or unsubstituted, substituted or unsubstituted C3-C10 cycloalkyl, substituted or unsubstituted C3-C10 cycloalkenyl, substituted or unsubstituted C6-C20 aryl, substituted or unsubstituted C1-C20 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 said R1, which is substituted, has one or more substituents selected from F, Cl, Br, I, CN, NO2, C1-C6 alkyl, C2-C6 alkenyl, C1-C6 haloalkyl, C2- haloalkenyl C6, C1-C6 haloalkyloxy, C2-C6 haloalkenyloxy, C3-C10 cycloalkyl, C3-C10 cycloalkenyl, C3-C10 halocycloalkyl, C3-C10 halocycloalkenyl, OR9, S (O) nOR9, C6-C20 aryl or C1-C20 heterocyclyl, (each of which may be substituted, may optionally be substituted with R9)； (c) R2 is H, F, Cl, Br, I, CN, NO2, substituted or unsubstituted C1-C6 alkyl, substituted or unsubstituted C2-C6 alkenyl, substituted or unsubstituted C1-C6 alkoxy, C2-C6 alkenyloxy substituted or unsubstituted, substituted or unsubstituted C3-C10 cycloalkyl, substituted or unsubstituted C3-C10 cycloalkenyl, substituted or unsubstituted C6-C20 aryl, substituted or unsubstituted C1-C20 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 said R2, which is substituted, has one or more substituents selected from F, Cl, Br, I, CN, NO2, C1-C6 alkyl, C2-C6 alkenyl, C1-C6 haloalkyl, C2 haloalkenyl -C6, C1-C6 haloalkyloxy, C2-C6 haloalkenyloxy, C3-C10 cycloalkyl, C3-C10 cycloalkenyl, C3-C10 halocycloalkyl, C3-C10 halocycloalkenyl, OR9, S (O) nOR9, C6-C20 aryl or C1-C20 heterocyclyl , (each of which may be substituted, m
