3-Methyl-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-carboxaldehyde
4-Methyl-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-5-carboxaldehyde
4-Methyl-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-carboxaldehyde
4-Methyl-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxaldehyde