Ethyl 3-hydroxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-carboxylate
3-(Chloromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-Amino-5-(difluoromethyl)-3-methylpyridine-2-sulfonamide
5-Amino-2-nitro-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride