Ethyl 2-(difluoromethyl)-3-nitropyridine-5-carboxylate
3-Bromo-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
Methyl 4-(difluoromethyl)-3-nitropyridine-5-carboxylate
2-Bromo-6-(difluoromethyl)-3-(trifluoromethyl)pyridine
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