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