Ethyl 5-(difluoromethyl)-3-hydroxy-2-nitropyridine-4-carboxylate
3-Phenyl-2-(trifluoromethyl)pyridine-5-acetic acid
Ethyl 2-amino-6-(chloromethyl)-3-(difluoromethyl)pyridine-4-acetate
Methyl 2-(fluoromethyl)-5-methyl-6-(trifluoromethoxy)pyridine-3-carboxylate