3-Chloro-6-fluoro-2-hydroxy-4-(trifluoromethoxy)pyridine
6-(Difluoromethyl)-4-methoxy-3-nitropyridine-2-sulfonyl chloride
2-(Difluoromethyl)-3-iodo-5-(trifluoromethoxy)pyridine-4-acetonitrile
Methyl 4-cyano-2-fluoro-5-(trifluoromethoxy)pyridine-3-acetate