| abstract |
There is disclosed organogermanium and organosilicon compounds shown by the formula ofn wherein R i , R 2 , R 3 , R 4 and R 5 are same or different and each represents hydrogen atom, an lower alkyl group with possible substituent(s) or phenyl radical with possible substituent(s), respectively; Y is germanium or silicon atom; m is an integer of 0 or more; and n is an integer of 2 or more, and salts thereof, process for the preparation of the same as well as its use. The compound is administered to adjust immunoresponse. |