Ethyl 4-bromo-6-(difluoromethyl)-3-nitropyridine-2-carboxylate
2-Bromo-6-(chloromethyl)-4-(difluoromethyl)-3-methoxypyridine
Ethyl 4-bromo-2-(difluoromethyl)-3-nitropyridine-6-carboxylate
2-Bromo-6-(chloromethyl)-3-(difluoromethyl)-4-methoxypyridine
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