3-n-undecylpyridine N-oxide 、 三乙胺 、 、 2-Cyano-5-n-undecylpyridine 以
乙腈 为溶剂,
反应 66.0h,
以to give two kinds of solids A (4.40 g) and B (4.10 g)的产率得到2-cyano-3-n-undecylpyridine
An antipruritic composition for internal and external uses and injection, comprising an antipruritically effective amount of a chelated zinc compound, e.g. zinc picolinate, and a carrier.