Methyl 4-bromo-3-(difluoromethyl)-6-nitropyridine-2-acetate
Methyl 4-bromo-3-(difluoromethyl)-5-nitropyridine-2-acetate
6-Bromo-2-(difluoromethyl)-4-iodo-3-(trifluoromethyl)pyridine
2-Bromo-6-(difluoromethyl)-3-iodo-5-(trifluoromethyl)pyridine
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