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
4-(Bromomethyl)-3-(difluoromethyl)-6-hydroxypyridine-2-acetic acid