Ethyl 3-cyano-2-hydroxy-4-(trifluoromethoxy)pyridine-5-acetate
5-Amino-2-(aminomethyl)-4-(difluoromethyl)pyridine-3-carboxaldehyde
4-Chloro-2-(difluoromethyl)-3-hydroxy-6-nitropyridine
Ethyl 2-(chloromethyl)-4-cyano-3-(difluoromethyl)pyridine-5-carboxylate