A benzaldehyde acetal compound of formula (3):
(wherein Q represents a hydrogen atom or a halogen atom, Ar represents a phenyl group optionally substituted with at least one selected from the group consisting of alkyl groups having 1 to 4 carbon atoms and halogen atoms, and R represents an alkyl group having 1 to 4 carbon atoms).
化合物的
化学式(3)为
苯甲醛缩醛化合物:(其中Q代表氢原子或卤素原子,Ar代表苯基,该苯基可以选择性地被1至4个碳原子的烷基和卤素原子中的至少一个取代,R代表1至4个碳原子的烷基)。