Methyl 4-(bromomethyl)-6-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 4-(bromomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
6-(Bromomethyl)-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-carbonyl chloride
2-(Chloromethyl)-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carbonyl chloride