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