3,6-Dihydroxy-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine
6-(Fluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-methanol
5-Fluoro-4-methoxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
4-(Difluoromethyl)-6-fluoro-2-methoxypyridine-3-carboxylic acid