4,5-Dibromo-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Chloromethyl)-2-methyl-5-(trifluoromethoxy)pyridine-4-methanol
2,6-Dibromo-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Fluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine-4-carboxaldehyde