5-(Chloromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-4-carboxylic acid
3-(Chloromethyl)-5-methyl-4-(trifluoromethoxy)pyridine-2-carboxylic acid
4-(4-Bromo-3-hydroxybenzoyl)pyridine
5-(Chloromethyl)-4-methyl-2-(trifluoromethoxy)pyridine-3-carboxylic acid