2-Fluoro-4-(difluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine
2-Fluoro-3-(difluoromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine
4-Fluoro-3-methyl-2-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 2-cyano-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate