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