(4-iodopyridin-3-yl) N,N-diethylcarbamate

3-bromo-5-pyridin-3-yloxypyridine

3-(4-甲基苯基)吡啶

2,6-二溴-4-碘吡啶-3-醇

(2-methoxy-5-oxopenta-1,3-dienyl) benzoate