3-(Difluoromethyl)-2-fluoro-5-methoxy-6-(trifluoromethoxy)pyridine
6-(Chloromethyl)-4-cyano-3-methoxy-2-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-2-fluoro-4-methoxy-5-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-cyano-5-methoxy-6-(trifluoromethoxy)pyridine