Methyl 2-(difluoromethyl)-4-fluoropyridine-5-acetate
Methyl 2-(difluoromethyl)-3-fluoropyridine-6-acetate
4-(Difluoromethyl)-2-fluoropyridine-6-carboxylic acid
4-(Difluoromethyl)-2-fluoropyridine-3-carboxylic acid
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