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