2-Hydroxy-3-iodo-5-(trifluoromethoxy)pyridine-4-sulfonyl chloride
4-Fluoro-3-methyl-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
Ethyl 4-fluoro-3-methyl-2-(trifluoromethoxy)pyridine-6-carboxylate
2-(Difluoromethyl)-4-hydroxy-3-methoxy-5-(trifluoromethoxy)pyridine