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