3-Amino-5-(difluoromethyl)-6-iodo-2-methylpyridine
5-Amino-4-(chloromethyl)-3-(difluoromethyl)-2-nitropyridine
3-Amino-6-(difluoromethyl)-2-iodo-4-methylpyridine
3-Amino-4-(chloromethyl)-2-(difluoromethyl)-5-nitropyridine
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