3-Bromo-5-(chloromethyl)-2-nitro-4-(trifluoromethoxy)pyridine
5-Hydroxy-3-methyl-2-(trifluoromethoxy)pyridine-4-methanol
4-Chloro-3-(difluoromethyl)-2-fluoropyridine-5-carboxaldehyde
2-Bromo-6-(difluoromethyl)-3-iodopyridine-5-carboxylic acid
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