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