2-Hydroxy-5-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylic acid
4-(Difluoromethyl)-2-iodo-5-methoxy-3-(trifluoromethoxy)pyridine
2-Hydroxy-5-methoxy-4-(trifluoromethoxy)pyridine-3-carboxylic acid
5-(Difluoromethyl)-3-iodo-2-methoxy-4-(trifluoromethoxy)pyridine