Ethyl 3-(bromomethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-acetate
Ethyl 5-(bromomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetate
Ethyl 3-(bromomethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-acetate
3-(Bromomethyl)-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-sulfonyl chloride