2-(Aminomethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
3-(Chloromethyl)-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-sulfonyl chloride
2-(Aminomethyl)-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-(Aminomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-4-carboxaldehyde