Methyl 2-methoxy-4-nitro-3-(trifluoromethoxy)pyridine-6-acetate
4-(Fluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 3-methoxy-5-methyl-2-(trifluoromethoxy)pyridine-4-acetate
Methyl 5-methoxy-4-methyl-3-(trifluoromethoxy)pyridine-2-acetate