5-Iodo-2-(trifluoromethoxy)pyridine-3-carboxylic acid
4-Iodo-3-(trifluoromethoxy)pyridine-2-carboxylic acid
2-(Chloromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-6-acetic acid
3-(Chloromethyl)-5-(difluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine