3-Fluoro-2-nitro-4-(trifluoromethoxy)pyridine-5-sulfonamide
6-Fluoro-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide
2-Fluoro-5-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
Methyl 2-cyano-5-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylate
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