3-Methoxy-4-nitro-6-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Methoxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-methanol
3-Methoxy-2-nitro-5-(trifluoromethoxy)pyridine-4-acetic acid
3-Methoxy-2-nitro-6-(trifluoromethoxy)pyridine-4-carboxylic acid