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