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