4-Bromo-5-nitro-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
Methyl 4-(aminomethyl)-6-bromo-3-(trifluoromethoxy)pyridine-2-carboxylate
4-Bromo-3-nitro-5-(trifluoromethoxy)pyridine-2-sulfonyl chloride
2-Bromo-6-(difluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine