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