3,5-Difluoro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Ethyl 3-amino-6-bromo-4-(trifluoromethoxy)pyridine-2-carboxylate
3,4-Difluoro-6-(trifluoromethoxy)pyridine-2-sulfonyl chloride
3,4-Difluoro-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride