3-Iodo-4-nitro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-(Difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
Methyl 4-(fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-3-acetate
Methyl 5-(fluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetate