4-Fluoro-5-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
4-Fluoro-6-nitro-3-(trifluoromethoxy)pyridine-2-sulfonamide
5-Fluoro-3-nitro-4-(trifluoromethoxy)pyridine-2-sulfonamide
4-Hydroxy-6-methyl-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
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