2-Fluoro-5-nitro-4-(trifluoromethoxy)pyridine-3-sulfonamide
2-Fluoro-3-nitro-6-(trifluoromethoxy)pyridine-5-sulfonamide
3-Cyano-5-methoxy-4-(trifluoromethoxy)pyridine-2-methanol
3-Cyano-2-methoxy-6-(trifluoromethoxy)pyridine-5-methanol
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