Ethyl 5-iodo-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-6-acetate
4-Bromo-2-methoxy-5-(trifluoromethoxy)pyridine-3-carboxylic acid
4-(Chloromethyl)-3-methyl-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
3-Bromo-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylic acid