Methyl 5-methyl-2-nitro-3-(trifluoromethoxy)pyridine-4-carboxylate
5-(Bromomethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
4-(Chloromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine-3-methanol
3-(Bromomethyl)-4-methoxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid