Ethyl 2,6-dihydroxy-4-(trifluoromethoxy)pyridine-3-carboxylate
5-Amino-2-bromo-3-(difluoromethyl)-6-(trifluoromethoxy)pyridine
Ethyl 3,6-dihydroxy-2-(trifluoromethoxy)pyridine-5-carboxylate
4-Amino-3-bromo-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine