2-Chloro-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxylic acid
2-Chloro-3-(difluoromethyl)-6-iodopyridine-5-acetic acid
3-(2,3-Dichlorophenyl)-4-(difluoromethoxy)pyridine
4-(Fluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine-3-acetic acid