2-Amino-6-(bromomethyl)-3-(difluoromethyl)pyridine-5-carboxaldehyde
3-Amino-2-(bromomethyl)-6-(difluoromethyl)-5-fluoropyridine
2-(Bromomethyl)-6-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine
2-(Difluoromethyl)-4-hydroxy-3-iodopyridine-5-acetic acid