5-(Chloromethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-2-acetic acid
2-(Chloromethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Chloromethyl)-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetic acid
2-Amino-3-(difluoromethyl)pyridine-5-acetic acid