4-(Difluoromethyl)-3-fluoro-5-(fluoromethyl)pyridine
4-(Difluoromethyl)-2-fluoro-6-(fluoromethyl)pyridine
2-(Difluoromethyl)-5-fluoropyridine-4-carboxaldehyde
3-(Difluoromethyl)-5-fluoro-4-(fluoromethyl)pyridine
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