| abstract |
A compound of formula (I), wherein B is N, N-oxide or CR18; D is O, S, NR?7, CR8=CR9, CR8¿=N, N=CR9, CR8=N(O) or N(O)=CR9; E is N, N-oxide or CR12; M is N(R51)C(=Y), N=C(OR52), N=C(SR53) or N=C(NR54R55) where N is the atom of attachment to the ring containing E and D; Y is O, S or NR13; Z is O, S or NR14; n is 0 or 1; and A and the various R groups are defined organic radicals; their preparation and use and compositions containing them. |