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