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