6-Chloro-3-(difluoromethyl)-2-nitropyridine-4-carboxamide
3-Bromo-2-chloro-4-(trifluoromethoxy)pyridine-6-sulfonamide
Methyl 4-amino-2-chloro-5-(trifluoromethoxy)pyridine-3-acetate
Ethyl 4-(bromomethyl)-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate