5-Methoxy-4-nitro-3-(trifluoromethoxy)pyridine-2-carbonyl chloride
Methyl 2-(fluoromethyl)-6-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylate
3-Methoxy-2-nitro-5-(trifluoromethoxy)pyridine-6-carbonyl chloride
Methyl 2-(fluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine-5-carboxylate