Ethyl 3-cyano-4-methoxy-5-(trifluoromethoxy)pyridine-2-acetate
3-Chloro-5-methyl-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
5-Chloro-4-methyl-3-(trifluoromethoxy)pyridine-2-carboxaldehyde
3-Chloro-2-methyl-4-(trifluoromethoxy)pyridine-5-carboxaldehyde