2-Bromo-5-nitro-6-(trifluoromethoxy)pyridine-3-sulfonamide
3-Bromo-4-nitro-2-(trifluoromethoxy)pyridine-6-methanol
5-(Aminomethyl)-3-bromo-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine
3-(Aminomethyl)-5-bromo-4-(difluoromethyl)-2-(trifluoromethoxy)pyridine