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
3-Bromo-2-cyano-4-(trifluoromethoxy)pyridine-6-sulfonamide