4-Hydroxy-5-nitro-3-(trifluoromethoxy)pyridine-2-methanol
2-Hydroxy-3-methoxy-5-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
2-Hydroxy-3-methoxy-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine
4-Fluoro-2-methyl-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride