3-Bromo-6-(difluoromethyl)-2-iodo-5-nitropyridine
2-(Chloromethyl)-4-fluoro-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-(3,5-Dichlorophenyl)-5-fluoro-2-mercaptopyridine
3-Amino-2-(difluoromethyl)-4-iodopyridine-6-carboxylic acid
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