4-Hydroxy-5-methoxy-3-(trifluoromethoxy)pyridine-2-acetic acid
4-Hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine-5-acetic acid
Ethyl 3-hydroxy-6-methoxy-4-(trifluoromethoxy)pyridine-2-acetate
4-Hydroxy-3-methoxy-5-(trifluoromethoxy)pyridine-2-acetic acid