3-Amino-2-(difluoromethyl)-5-iodo-4-methylpyridine
2-Amino-6-(difluoromethyl)-5-iodo-3-methylpyridine
2-Amino-3-(chloromethyl)-4-(difluoromethyl)-5-nitropyridine
3-Amino-6-(bromomethyl)-4-(difluoromethyl)-2-nitropyridine
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