The p-fluorophenoxy propionic acid was synthesized by p-fluorophenol and 3-chloropropanoic acid as row materials and transfer catalyzed by TEBA.

以氟苯酚和3-氯丙酸为起始原料,用乙氯铵作为催剂,经过相转移催氟苯氧丙酸。

In addition, some organic acids with the bad breath, such as butyric acid and propionic acid, and indole, methyl indole compounds and cadaverine.

此外，一些有机酸也与口臭有关，如丁酸和丙酸，以及吲哚、甲吲哚和尸胺等物。