5-(Difluoromethyl)-3-iodopyridine-2-carboxylic acid
4-(Bromomethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-Amino-3-(difluoromethyl)-5-(trifluoromethyl)pyridine
5-Amino-2-(difluoromethyl)-4-(fluoromethyl)pyridine
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