4-Amino-3-(difluoromethyl)-2-nitro-6-(trifluoromethyl)pyridine
4-Amino-2-(bromomethyl)-6-(difluoromethyl)-3-iodopyridine
5-Amino-4-(difluoromethyl)-3-nitro-2-(trifluoromethyl)pyridine
6-Amino-2-(chloromethyl)-3-(difluoromethyl)-4-iodopyridine
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