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