Ethyl 3-chloro-2-(difluoromethyl)-4-hydroxypyridine-5-acetate
4-Amino-3-fluoro-2-(fluoromethyl)-6-(trifluoromethoxy)pyridine
3-Hydroxy-2-methoxy-6-methyl-5-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-2-nitro-6-(trifluoromethyl)pyridine-4-acetonitrile