3-Amino-6-chloro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
2,4-Dihydroxy-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
5-Amino-2-chloro-4-(trifluoromethoxy)pyridine-3-carboxaldehyde
2,3-Dihydroxy-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride