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