Methyl 2-(difluoromethyl)-4-methoxypyridine-6-acetate
3-(Chloromethyl)-2-(difluoromethyl)-5-nitropyridine
5-(Bromomethyl)-2-(difluoromethyl)-4-nitropyridine
5-(Difluoromethyl)-3-methoxypyridine-2-acetic acid
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