2-(Bromomethyl)-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-sulfonyl chloride
3-(Difluoromethyl)-2-iodopyridine-5-acetic acid
4-(Chloromethyl)-2-(difluoromethyl)-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-(Difluoromethyl)-6-iodopyridine-4-acetic acid