Tetrakis(diethylamino)hafnium(IV), Hafnium tetrakis(diethylazanide), Hafnium, tetrakis(diethylamino)-, Tetrakis(diethylamino)hafnium, TDEAHf, Diethyl[tris(diethylamino)hafnio]amine, [(CH2CH3)2N]4Hf, C16H40N4Hf