4-Amino-5-(difluoromethyl)-3-methoxy-2-nitropyridine
3-Amino-5-(difluoromethyl)-2-methoxy-4-nitropyridine
3-Amino-6-(bromomethyl)-2-(difluoromethyl)-4-methylpyridine
3-Amino-4-(bromomethyl)-2-(difluoromethyl)-5-methoxypyridine
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