The present invention provides a compound represented by formula (I) (in formula (I), R1 represents a substituted or unsubstituted C1-6 alkyl group, R2 represents a substituted or unsubstituted C1-8 alkyl group, R3 represents a hydrogen atom or a substituted or unsubstituted C1-6 alkyl group, A represents a substituted or unsubstituted o-phenylene group, a substituted or unsubstituted bezylene group, or the like, B represents an oxy group, a substituted or unsubstituted oxymethylene group, or the like, and Q represents a substituted or unsubstituted o-phenylene group), or a salt thereof.
