Wenderoth, Lind & Ponack
Ka-6606 Aminoglycosides antibiotics and compositions thereof
 A compound of the general formula: ##STR1## wherein R.sub.1 and R.sub.2 are different and each represents a hydrogen atom or a methyl group, R.sub.3 represents a hydrogen atom, or a glycyl group which may be substituted, and the symbol between the carbon atoms at the 5- and 6- positions represents a single or double bond, and an acid addition salt thereof; and its antibiotic use. 
Kowa Company, Ltd.
C
C07H
inventional
Kazuhiro Isamu Takashi Toshihito
Kamiya Watanabe Yamaguchi Mori