3-Fluoro-6-methyl-2-(trifluoromethoxy)pyridine-5-sulfonyl chloride
3-Fluoro-4-methyl-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
2-(Difluoromethyl)-3-hydroxy-6-methoxy-5-(trifluoromethoxy)pyridine
5-(Fluoromethyl)-2-hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine