Wenderoth, Lind & Ponack
Novel antibiotics, process for preparation thereof and biologically pure culture for use therein
 Novel antibiotics of the following structure ##STR1## wherein R represents a moiety selected from the group consisting of hydrogen, --COCH.sub.2 NH.sub.2, --COCH.sub.2 NHCONH.sub.2 and --COCH.sub.2 NHCHO; process for preparation thereof; and biologically pure culture for use therein. 
Kowa Company, Ltd.
C C Y C C
C12N C07H Y10S C12P C12R
inventional inventional additional inventional additional
Takeshi Hisakatsu Toshihito Kazuhiro Takafumi Takeo Akio Masahito Toshimi
Oda Ito Mori Kamiya Kunieda Deushi Iwasaki Nakayama Mizoguchi