3-(Difluoromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-5-acetic acid
4-Methoxy-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-5-acetic acid
6-(Difluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-2-acetic acid
3-Methoxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-acetic acid