3-Hydroxy-2-nitro-4-(trifluoromethoxy)pyridine-5-sulfonamide
Ethyl 2-chloro-5-(chloromethyl)-6-(trifluoromethoxy)pyridine-3-acetate
2-Amino-6-chloro-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-Fluoro-4-methyl-5-(trifluoromethoxy)pyridine-2-sulfonamide