Ethyl 3-chloro-5-(2,3-dichlorophenyl)isonicotinate
4-(Difluoromethyl)-3-fluoro-6-nitropyridine-2-carbonyl chloride
Methyl 2-(fluoromethyl)-3-methyl-6-(trifluoromethoxy)pyridine-5-carboxylate
4-(Difluoromethyl)-2-fluoro-6-methoxypyridine-3-carboxaldehyde