2-Cyano-3-nitro-4-(trifluoromethoxy)pyridine-5-methanol
2-Cyano-5-nitro-3-(trifluoromethoxy)pyridine-4-sulfonamide
5-Cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-methanol
6-Chloro-3-nitro-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
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