Ethyl 3-methoxy-2-nitro-5-(trifluoromethoxy)pyridine-4-acetate
2-Methoxy-3-nitro-6-(trifluoromethoxy)pyridine-4-carboxylic acid
Methyl 6-(fluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-3-acetate
Ethyl 6-methoxy-2-nitro-3-(trifluoromethoxy)pyridine-4-acetate