2-Hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Hydroxy-3-methoxy-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
5-Hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine-6-carbonyl chloride
Methyl 6-hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-2-carboxylate