Ethyl 2-bromo-6-(bromomethyl)-4-(difluoromethyl)pyridine-3-acetate
4-Chloro-5-(difluoromethyl)-2-fluoropyridine-3-acetic acid
4-Chloro-5-(difluoromethyl)-3-fluoropyridine-2-acetic acid
4-Chloro-3-(difluoromethyl)-2-fluoropyridine-6-acetic acid
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