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