4-Chloro-3-methoxy-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
3-Cyano-2-methoxy-5-(trifluoromethoxy)pyridine-4-carboxaldehyde
3-Chloro-2-methoxy-4-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-Cyano-6-methoxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde