2-Bromo-5-(chloromethyl)-4-nitro-3-(trifluoromethoxy)pyridine
3-Bromo-2-methyl-4-(trifluoromethoxy)pyridine-5-carboxaldehyde
6-Bromo-4-(chloromethyl)-2-nitro-3-(trifluoromethoxy)pyridine
6-Bromo-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
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