Fragrance precursor compounds of the formula (I) may be derived from hydrazides and fragrance aldehydes and ketones. The fragrance precursor compounds may be used in composition having washing or cleaning agents, cosmetic agents and air care agents. A method for long-lasting fragrancing of surfaces using the fragrance precursor compounds and agents is also disclosed.
                            公式(I)的香味前体化合物可以由
肼和
香料醛酮衍生而来。这些香味前体化合物可用于含有洗涤或清洁剂、化妆品和空气清新剂的配方中。还公开了一种利用这些香味前体化合物和剂对表面进行持久香味处理的方法。