3-(Chloromethyl)-2-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxylic acid
3-(Aminomethyl)-6-hydroxy-2-methyl-5-(trifluoromethoxy)pyridine
6-(Fluoromethyl)-3-hydroxy-2-methyl-4-(trifluoromethoxy)pyridine
2-(Fluoromethyl)-4-hydroxy-6-methyl-3-(trifluoromethoxy)pyridine