4-(Difluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid
4-(Difluoromethyl)-2-methoxy-6-(trifluoromethoxy)pyridine-3-carboxylic acid
Methyl 3-(chloromethyl)-5-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylate
4-(Difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid