3-Amino-4-(difluoromethyl)-2,6-diiodopyridine
3-Amino-2-bromo-6-(difluoromethyl)-5-nitropyridine
3-Amino-2-bromo-5-(difluoromethyl)-4-nitropyridine
4-Amino-2-(difluoromethyl)-3,6-diiodopyridine
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