2-Amino-5-(difluoromethyl)-4-nitro-3-(trifluoromethoxy)pyridine
4-Amino-6-(difluoromethyl)-3-iodo-2-(trifluoromethoxy)pyridine
Ethyl 5-amino-2-bromo-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-amino-5-bromo-2-(trifluoromethoxy)pyridine-3-carboxylate