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