3-Amino-6-(bromomethyl)-2-chloro-5-(difluoromethyl)pyridine
4-Amino-3-chloro-5-(difluoromethyl)-2-iodopyridine
5-Amino-4-chloro-3-(difluoromethyl)-2-methylpyridine
4-Amino-6-chloro-2-(difluoromethyl)-3-iodopyridine
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