Cobalt salt ( carbonic acid cobalt nitric acid cobalt chlorination of cobalt four oxides s three cobalts acetic acid cobalt sour lithiums of cobalt ) manganese salt ( carbonic acid manganese ) copper salt ( copper sulphate copper oxide ) manganese mould deoxidation catalyzer desulphurization catalyzer palladium charcoal catalyzer is to benzene quinone to two phenol benzene etc series producT.