2-Amino-3-(difluoromethyl)pyridine-6-acetonitrile
5-(Chloromethyl)-2-(difluoromethyl)-4-nitropyridine
3-Amino-6-(difluoromethyl)-2-(trifluoromethyl)pyridine
4-Amino-5-(difluoromethyl)-2-(trifluoromethyl)pyridine
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