3-(Difluoromethyl)-6-methyl-2-(trifluoromethyl)pyridine-4-carboxaldehyde
2-(Difluoromethyl)-6-methyl-4-(trifluoromethyl)pyridine-3-carboxaldehyde
3-(Difluoromethyl)-6-methyl-4-(trifluoromethyl)pyridine-2-carboxaldehyde
2-(Difluoromethyl)-6-methyl-3-(trifluoromethyl)pyridine-4-carboxaldehyde