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