2-Chloro-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-acetic acid
2-Chloro-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-5-acetic acid
5-Cyano-3-(difluoromethyl)-2-fluoro-4-hydroxypyridine
Ethyl 3-chloro-6-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-acetate