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