3-(Bromomethyl)-2-(difluoromethyl)-4-methoxy-6-methylpyridine
3-(Difluoromethyl)-2-hydroxy-5-methoxy-6-(trifluoromethyl)pyridine
6-Chloro-3-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine
3-Amino-6-(bromomethyl)-2-(difluoromethyl)pyridine-5-carboxaldehyde