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