2-Methyl-2-propanyl 4-(5,6-dibromo-3-pyridinyl)-1-piperazinecarbo xylate

3-bromo-5-(5-chloropyridin-3-yl)oxypyridine

5-溴-N,N-二甲基-3-吡啶甲胺

5-溴-3-乙氧基-2-甲氧基吡啶

3-溴-5-(1-丙炔)吡啶