id	keyword
eurjchem-2457	synthesis
eurjchem-2457	reaction
eurjchem-2457	catalyst
eurjchem-2457	hclo4
eurjchem-2457	solvent
eurjchem-2457	cofe2o4@sio2
eurjchem-2457	chemistry
eurjchem-2457	yield
eurjchem-2457	conditions
eurjchem-2457	microwave
eurjchem-2457	activity