5-Bromo-3-chloro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
2-Amino-4-nitro-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-Bromo-5-chloro-4-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-Amino-3-nitro-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
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