4-(Chloromethyl)-3-(difluoromethyl)-5-iodopyridine
4-(Bromomethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carbonyl chloride
3,5-Diamino-2-(difluoromethyl)pyridine
2-(Bromomethyl)-6-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride