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