4-Methyl-5-nitro-2-(trifluoromethoxy)pyridine-3-acetic acid
3-(Chloromethyl)-2-methoxy-4-(trifluoromethoxy)pyridine-6-carboxylic acid
Methyl 2-(bromomethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-5-acetate
4-Methyl-2-nitro-5-(trifluoromethoxy)pyridine-3-acetic acid