3-Bromo-5-chloro-2-(chloromethyl)-4-(trifluoromethoxy)pyridine
5-Amino-4-(chloromethyl)-3-(trifluoromethoxy)pyridine-2-acetic acid
3-Amino-2-methyl-4-(trifluoromethoxy)pyridine-6-carboxylic acid
5-Bromo-4-chloro-3-(chloromethyl)-2-(trifluoromethoxy)pyridine