In the related "amide route" starting from 2-chloroisonicotinic acid, 41 ,a secondary amide directing group was used to facilitate the ortho lithiation of the pyridine 3-position.
在有关"酰"由2-氯酸、41、次要酰导演组用的锂方便邻吡啶3-立.
In the related "amide route" starting from 2-chloroisonicotinic acid, 41 ,a secondary amide directing group was used to facilitate the ortho lithiation of the pyridine 3-position.
在有关"酰"由2-氯酸、41、次要酰导演组用的锂方便邻吡啶3-立.
声明:以上例句、词性分类均由互联网资源自动,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。