2-Cyano-6-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide
4-Bromo-6-chloro-3-(difluoromethyl)pyridine-2-carbonyl chloride
Methyl 3-(aminomethyl)-4-chloro-5-(difluoromethyl)pyridine-2-acetate
2-(Chloromethyl)-4-cyano-5-nitro-3-(trifluoromethoxy)pyridine