3-(Bromomethyl)-4-(difluoromethyl)-5-(trifluoromethyl)pyridine-2-sulfonyl chloride
Ethyl 6-amino-2-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-carboxylate
Ethyl 2-chloro-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylate
4-Amino-2-(difluoromethyl)-6-methoxypyridine-3-carboxylic acid