2-Nitro-4-(trifluoromethoxy)pyridine-5-sulfonamide
2-Nitro-3-(trifluoromethoxy)pyridine-5-sulfonamide
Methyl 2,3-dichloro-6-(trifluoromethoxy)pyridine-4-carboxylate
5-Nitro-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
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