3-(Difluoromethyl)-6-fluoro-2-(trifluoromethoxy)pyridine-4-carboxaldehyde
4-(Aminomethyl)-6-(difluoromethyl)-3-fluoro-2-(trifluoromethoxy)pyridine
6-(Fluoromethyl)-2-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine
4-(Aminomethyl)-2-(difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine