5-Chloro-4-hydroxy-3-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Methyl 2-(difluoromethyl)-4,5-diiodopyridine-3-acetate
5-Bromo-2-(chloromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-3-methoxy-2-nitropyridine-5-sulfonyl chloride