2,6-Dimethyl-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3,6-Dimethyl-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-Amino-5-fluoro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Amino-2-(fluoromethyl)-5-methoxy-3-(trifluoromethoxy)pyridine