Ethyl 2-(difluoromethyl)-6-nitro-4-(trifluoromethoxy)pyridine-3-acetate
Methyl 2-(fluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-6-acetate
3-Methoxy-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-2-carboxaldehyde
Methyl 2-(fluoromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-4-acetate