Ethyl 3-bromo-5-chloro-2-(trifluoromethoxy)pyridine-4-carboxylate
2-Amino-5-(chloromethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine
4-Amino-2-nitro-3-(trifluoromethoxy)pyridine-6-sulfonamide
3-Amino-5-nitro-6-(trifluoromethoxy)pyridine-2-sulfonamide