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