2-Methoxy-4-nitro-3-(trifluoromethoxy)pyridine-5-sulfonamide
4-Methoxy-3-nitro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Methoxy-3-methyl-4-(trifluoromethoxy)pyridine-5-acetic acid
5-Methoxy-3-nitro-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride