2-Amino-3-(difluoromethyl)-4-fluoropyridine-6-sulfonamide
6-Amino-2-cyano-3-(difluoromethyl)pyridine-4-carboxaldehyde
5-Amino-6-chloronicotinonitrile
3-Bromo-2-chloro-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine
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