3,6-Difluoro-4-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 2-(chloromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxylate
4,6-Difluoro-3-(trifluoromethoxy)pyridine-2-carboxylic acid
Methyl 5-(chloromethyl)-2-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate