Ethyl 6-amino-4-bromo-3-(difluoromethyl)pyridine-2-carboxylate
3-(Difluoromethyl)-2,5-dimethoxy-4-nitropyridine
Ethyl 2-amino-4-bromo-3-(difluoromethyl)pyridine-5-carboxylate
3-(Difluoromethyl)-2,4-dimethoxy-5-nitropyridine
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