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