4-Bromo-2-nitro-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Chloro-5-fluoro-2-nitro-3-(trifluoromethoxy)pyridine
2-Chloro-3-methyl-4-(trifluoromethoxy)pyridine-6-methanol
5-Bromo-3-nitro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
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