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