6-Bromo-4-(difluoromethyl)-3-nitro-2-(trifluoromethoxy)pyridine
5-Bromo-4-nitro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
3-(Aminomethyl)-6-bromo-4-(trifluoromethoxy)pyridine-2-acetic acid
2-Bromo-4-(difluoromethyl)-3-nitro-5-(trifluoromethoxy)pyridine