{HEAD ~ An organic inorganic hybrid material} comprising {TAIL ~ a metal oxide} and a chelating ligand is synthesized 
comprising
{ HEAD ~ An organic inorganic hybrid material } comprising { TAIL ~ a metal oxide } and a chelating ligand is synthesized
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH