acetylacetonato (acac)
2, 2' -bipyridine (bipy)
nacnac
1,10-phenanthroline,
o -phenanthroline (phen)
oxalato (ox)
dialkyldithiocarbamato (dtc)
ethylenedithiolate (dithiolene)
1,2-bis
(diphenylphosphino)
ethane (dppe)
BINAP
dimethylglyoximato (DMG)
pyrazolylborato
(scorpionate) (Tp)
salen