The present invention relates to electron active compounds and compositions that have {HEAD ~ polyvalent cations} in {TAIL ~ their crystal lattices} 
in
The present invention relates to electron active compounds and compositions that have { HEAD ~ polyvalent cations } in { TAIL ~ their crystal lattices }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL