2-Fluoro-6-nitro-3-(trifluoromethoxy)pyridine
4-Amino-6-cyano-3-(difluoromethyl)pyridine-2-sulfonamide
4-Chloro-3-(difluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine
2-Cyano-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-methanol
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