Ethyl 5-(difluoromethyl)-2,3-diiodopyridine-4-acetate
6-(Difluoromethyl)-2,3-dimethoxy-4-nitropyridine
4-Chloro-5-(difluoromethyl)-2,3-dimethoxypyridine
4-(Difluoromethyl)-2,3-dimethoxy-6-nitropyridine
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