2,3,5,6-四氯4-氨基吡啶

3,4,5,6-四氯-2-吡啶胺

2,3,5-trichloro-4,6-bis[(2-methylpropan-2-yl)oxy]pyridine

2,3,5,6-tetrachloro-4-ethylsulfanylpyridine