| abstract |
(57) [Summary] [Structure] In each case, the following formula I: (In the formula, for example, A represents an unsubstituted or mono- to tetra-substituted aromatic or non-aromatic, monocyclic or bicyclic heterocyclic group, and R represents a hydrogen atom or an alkyl having 1 to 6 carbon atoms. Group, a phenyl-alkyl group having 1 to 4 carbon atoms and the like; and X represents N-NO 2 or N-CN), or a tautomer thereof, if appropriate. Manufacturing method, pest-protecting composition containing the derivative, manufacturing method and use thereof. [Effect] The composition obtained from the above compound is effective for controlling insects against plants, especially plant propagation materials. |