2-Amino-5-(difluoromethyl)-4-nitro-3-(trifluoromethyl)pyridine
5-Amino-2-(chloromethyl)-4-(difluoromethyl)-3-nitropyridine
Ethyl 2-amino-3-(bromomethyl)-4-(difluoromethyl)pyridine-5-acetate
2-Amino-4-(difluoromethyl)-3-nitropyridine-6-methanol
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