3-(Difluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine-4-carboxylic acid
6-(Difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-4-carboxylic acid
3-(Aminomethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-6-acetic acid
2-(Difluoromethyl)-6-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid