Ethyl 3-(chloromethyl)-5-(difluoromethyl)pyridine-2-carboxylate
4-(Difluoromethyl)-2-(trifluoromethyl)pyridine-3-carboxaldehyde
Ethyl 3-(difluoromethyl)-4-methylpyridine-2-carboxylate
3-(Difluoromethyl)-4-nitropyridine-5-acetic acid
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