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