5-Bromo-2-(difluoromethyl)-3-fluoropyridine-6-carboxaldehyde
4-Bromo-2-cyano-3-(trifluoromethoxy)pyridine-5-carboxylic acid
2-(4-Iodo-3-nitrobenzoyl)pyridine
2-Bromo-6-methyl-3-(trifluoromethyl)pyridine
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