Methyl 4-cyano-2-fluoro-6-(trifluoromethoxy)pyridine-3-carboxylate
3-Chloro-4-methyl-5-(trifluoromethoxy)pyridine-2-sulfonamide
2-Bromo-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylic acid
6-Bromo-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylic acid