2-Amino-4-cyano-5-(difluoromethyl)pyridine
2-Bromo-5-(difluoromethyl)pyridine-4-carboxylic acid
3-(Difluoromethyl)-2-iodopyridine-6-acetic acid
6-(Difluoromethyl)-2-methoxy-3-(trifluoromethyl)pyridine
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