3-(Difluoromethyl)-2-(trifluoromethyl)pyridine-5-carboxaldehyde
5-Amino-2-bromo-3-(trifluoromethoxy)pyridine-6-sulfonamide
Methyl 2-(chloromethyl)-5-(difluoromethyl)pyridine-3-carboxylate
6-Amino-3-cyano-4-(difluoromethyl)pyridine-2-carbonyl chloride