2-Chloro-3-nitro-5-(trifluoromethoxy)pyridine-6-sulfonamide
2-Chloro-3-nitro-4-(trifluoromethoxy)pyridine-5-sulfonamide
2-Cyano-6-hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine
4-Bromo-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-acetic acid
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