2-(Chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-sulfonyl chloride
6-(Chloromethyl)-2-(difluoromethyl)-3-(trifluoromethyl)pyridine
4-Amino-3-(difluoromethyl)pyridine
5-(Difluoromethyl)-4-(fluoromethyl)-2-iodopyridine
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