1·Many isoxazole heterocycle compounds have efficiency or super-efficiency in controlling the growth of weeds.
异恶唑杂环化合物在专利报道中出现许多高效或超高效的新品种。
2·In this paper, a simple method for the synthesis of some chromones containing a nitrogen heterocycle substituted at 2 - position is reported.
研究了一种简便的合成2位含氮杂环色酮类化合物的方法。
3·The invention relates to a preparation method of a high-tensile high-model heterocycle aramid fiber, which comprises an integrated production method from polymerization, spinning to post-process.
本发明涉及一种高强高模杂环芳纶的制备方法，包括从聚合到纺丝再到后处理的整套生产方法。
4·Furthermore, according to the ring-open principle, semicarbazide moiety was used to replace amino heterocycle to get semicarbazide derivatives.
进一步根据药物设计的开环原理，用氨基脲片段替代氨基杂环，得到新型的氨基脲类抑制剂。