Methyl 3,4-dimethoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 2-(bromomethyl)-6-(difluoromethyl)-3-fluoropyridine-4-acetate
5-Iodo-3-nitro-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-Chloro-6-(difluoromethyl)pyridine-4-carbonyl chloride