2-Methoxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-carboxaldehyde
6-(Difluoromethyl)-3-methoxy-2-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
2-Methoxy-3-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxaldehyde
2-(Difluoromethyl)-5-methoxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine