Ethyl 3-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-acetate
Ethyl 2-(difluoromethyl)-6-(trifluoromethyl)pyridine-3-acetate
Methyl 4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetate
3,5-Dichloro-4-(difluoromethyl)-2-iodopyridine
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