Ethyl 3-amino-4-(difluoromethyl)-2-fluoropyridine-6-acetate
6-Chloro-2-fluoro-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Ethyl 2-amino-3-(difluoromethyl)-4-methylpyridine-5-carboxylate
Methyl 4-chloro-5-(difluoromethyl)-2-nitropyridine-3-carboxylate