5-Amino-2-cyano-4-(difluoromethyl)-3-fluoropyridine
4,6-Diamino-3-(difluoromethyl)-2-methylpyridine
2-(Bromomethyl)-3-(difluoromethyl)-5-hydroxy-4-iodopyridine
3,6-Dibromo-2-(difluoromethyl)-5-methylpyridine
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