Wenderoth, Lind & Ponack
2'-N-.beta.-Lysyl) aminoglycosides
 A compound of the following formula ##STR1## wherein each of R.sub.1, R.sub.2 and R.sub.3 represents H or CH.sub.3, R.sub.4 represents H or C.sub.2 -C.sub.4 acyl substituted at the 2-, 3- or 4-position by an amino group, and Y represents ##STR2## provided that R.sub.1 and R.sub.2 are not CH.sub.3 at the same time, and an acid addition salt thereof; and a process for the production thereof. 
Kowa Company, Ltd.
A C
A61P C07H
inventional inventional
Toshihito Isamu Kazuhiro
Mori Watanabe Kamiya