Fuente: WIPO "tomato" The present invention provides a compound represented by formula (I). (In the formula, the partial structure indicates a five-membered heteroaryl ring; Q1 indicates a phenyl group or the like; R4 indicates a hydrogen atom or the like; R5 indicates a hydrogen atom, a C1-6 alkyl group, or the like; A indicates a methylene group, a dimethylene group, or the like; L indicates a single bond or the like; and Q2 indicates a phenyl group or the like.) This compound has excellent bactericidal activity, is superior in terms of safety, and can be synthesized in an industrially advantageous manner.