The IR spectra indicate that poly 2 aminopyridine has head to tail structure.
由红外光谱可知，聚- 2 -氨基吡啶具有头-尾相接的结构。
Additionally, two new cellulose derivatives were synthesized by reaction of CDC with 2-aminopyridine and 3-aminopyridine, respectively.
另外，以CDC分别与2 -氨基吡啶、3 -氨基吡啶反应合成了两种新型的纤维素衍生物。
Its chemical structure has been determined as the zinc salt of 2-mercaptopyridine N-oxide by means of synthesizing by five steps starting with 2-aminopyridine.
为确证其化学结构，以2-氨基吡啶为原料，通过五步合成了2-巯基吡啶-N-氧化物锌盐。
A new reversed phase high performance liquid chromatography method is described for the simultaneous determination of pyridine, 2-aminopyridine, 2-methylpyridine and 2-pyridinecarboxylic acid.
建立了以磷酸氢二钾-磷酸盐缓冲溶液中添加甲醇为流动相，以反相高效液相色谱同时测定吡啶、2-氨基吡啶、2-甲基吡啶和2-吡啶甲酸的新方法。
Several synthesis methods for the preparation of 2-chloro-4-aminopyridine were summarized in the article. The applications of 2-chloro-4-aminopyridine in heterocyclic synthesis were introduced.
本文综述了2-氯-4-氨基吡啶的制备方法，并介绍了2-氯-4-氨基吡啶在调吡脲等杂环化合物合成方面的应用。
Several synthesis methods for the preparation of 2-chloro-4-aminopyridine were summarized in the article. The applications of 2-chloro-4-aminopyridine in heterocyclic synthesis were introduced.
本文综述了2-氯-4-氨基吡啶的制备方法，并介绍了2-氯-4-氨基吡啶在调吡脲等杂环化合物合成方面的应用。
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