3-Amino-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylic acid
Ethyl 4-bromo-6-cyano-2-(trifluoromethoxy)pyridine-3-carboxylate
2-Amino-6-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 5-bromo-3-cyano-2-(trifluoromethoxy)pyridine-4-carboxylate