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