| 摘要 |
A compound represented by formula (1), a tautomer thereof, or a salt of the compound or tautomer, which is useful as a bactericide/disinfectant. In the formula, R1 represents a hydrogen atom, an optionally substituted alkyl group or the like, R2 represents a hydrogen atom or an optionally substituted alkyl group, or alternatively R1 and R2 may combine together with an adjacent nitrogen atom to form an optionally substituted nitrogen-containing heterocyclic group; R4 represents a hydrogen atom or an optionally substituted alkyl group; R3 represents an optionally substituted alkyl group; and R5 and R6 each represents a hydrogen atom or a methyl group, excluding a compound wherein both R2 and R4 represent a hydrogen atom and a compound wherein both R1 and R4 represent a hydrogen atom are excluded.
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