Five Schiff bases were prepared from piperonal and diamines by condensation reaction.

合成新-椒醛缩二胺类席夫碱化合物。

After the process of chlorization, hydrolytic decomposition and condensation, the hemopexis acid amine product was obtained.

用椒醛为起始原,经氯化、解、缩合,制得血凝酸胺。

Composition of 1,8 - cineole (80%), camphene, phellandrene, Terpineol acetate, geraniol, isoamyl aldehyde, citronellal, and pepper ketones.

组成1,8-桉叶素（80%以上）、、芹、萜品醇、乙酸香叶醇、异戊醛、香茅醛和椒酮等。