109-72-8
正丁基锂
+
38427-94-0
2-(Boc-氨基)吡啶
106-93-4
二溴乙烷
→
149489-04-3
tert-butyl N-(3-bromopyridin-2-yl)carbamate
13534-99-1
2-氨基-3-溴吡啶