5-(Chloromethyl)-2-methyl-3-(trifluoromethoxy)pyridine-6-carboxylic acid
2-(Chloromethyl)-6-methyl-5-(trifluoromethoxy)pyridine-3-acetic acid
6-(Chloromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-acetic acid
2-(Chloromethyl)-5-methyl-3-(trifluoromethoxy)pyridine-6-acetic acid