Methyl 3-amino-2-(difluoromethyl)-6-methoxypyridine-5-carboxylate
4-Amino-2-(difluoromethyl)-3-nitropyridine-6-carbonyl chloride
2-Chloro-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-acetic acid
3-Chloro-2-fluoro-6-(trifluoromethoxy)pyridine-4-carbonyl chloride