In this paper we prepared a series of azacrown ethers with side chains of tropone rings and their derivatives by the reactivity of seven-membered aromatic tropone rings.
本文利用七元芳香
环的反应活性，合成出了一系列
环及其衍生物
侧臂的氮杂冠
。
In this paper we prepared a series of azacrown ethers with side chains of tropone rings and their derivatives by the reactivity of seven-membered aromatic tropone rings.
本文利用七元芳香环的反应活性，合成出了一系列环及其衍生物侧臂的氮杂冠。
：
上例句、词性分类均由互联网资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。
