Five-Membered Heterocyclic Compounds的意思|示意

Tetronic acid, tetronic amine and their derivatives are five-membered heterocyclic compounds along with bio- and pharmacological activities.

特窗酸、特窗胺及其衍生物均是生物活性很高的五员杂环化合物，具有重要的研究与实用价值。

This article reviews the ring opening reaction of five membered nitrogen containing heterocyclic compounds.

综述了近年来各种五元氮杂环的开环反应及其在有机合成中的应用。

Compounds having five-membered heterocyclic rings include chlorophyll, hemoglobin, indigo, tryptophan, and certain polymers.

五种成分的杂环化合物有叶绿素、血红蛋白、靛蓝、色氨酸和特定的聚合物。