4-Amino-2-bromo-3-(difluoromethyl)-5-iodopyridine
3-Amino-2-cyano-6-(difluoromethyl)-4-fluoropyridine
5-Amino-3-bromo-4-(difluoromethyl)-2-iodopyridine
3-Amino-6-bromo-4-(difluoromethyl)-2-methylpyridine
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