Methyl 2-(difluoromethyl)-5-nitro-3-(trifluoromethoxy)pyridine-6-carboxylate
2-Methoxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-acetic acid
Methyl 3-methoxy-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-acetate
2-Methoxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-acetic acid