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