Ethyl 6-cyano-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetate
Ethyl 2-cyano-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-acetate
2-Hydroxy-4-iodo-5-(trifluoromethoxy)pyridine-3-carbonyl chloride
2-(Difluoromethyl)-4-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylic acid