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