| abstract |
A novel guanidine compound having excellent bactericidal activity is represented by the formula [I] (wherein Y represents the following formula [II] (wherein R 7 to R 9 are each independently a hydrogen atom, etc.). X and Z each independently represents an unsubstituted or substituted alkylene group or the like, Q 1 and Q 2 each independently represent a single bond or the like, and A 1 and A 2 each independently represent an unsubstituted or substituted divalent heterocyclic compound residue or the like, and R 1 to R 6 each independently represent a hydrogen atom or the like. [Chemical 1] |