Terpenoid compounds from aromatic plants have been found to inhibit asparagine synthetase. Chemically synthesized 1,4-cineole derivatives display a degree of weed control activity.

• 在芳香族植物中发现单萜化合物有抑制天冬酰胺合成酶的作用,化学合成1,4-桉树脑衍生物也有一定除草活性。