Ethyl 4-(bromomethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 3-(difluoromethyl)-4-iodo-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 4-(difluoromethyl)-2-iodo-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 4-(bromomethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylate