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