Ethyl 3-(difluoromethyl)-2,5-dimethoxypyridine-4-carboxylate
2-Amino-4-chloro-5-(difluoromethyl)-3-nitropyridine
2-Amino-3-chloro-6-(difluoromethyl)-5-nitropyridine
2-Amino-3-chloro-5-(difluoromethyl)-4-nitropyridine
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