ethanol in ethanol byproducts: EtOSiMe3; stirring of neat (Me3Si)2NOSiMe3 and Ge-compound (20°C, 12 h), distn. (1-2 Torr), addn. of EtOH to residue (20-30°C), evapn. after 12 h; recrystn. (ethyl acetate); elem. anal.;