5-(Bromomethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid
6-Hydroxy-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Bromomethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-4-carboxylic acid
Ethyl 6-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate