Wenderoth, Lind & Ponack
Biologically pure culture
 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 C C Y C
C12N C12R C12P C07H Y10S C12R
inventional additional inventional inventional additional additional
Kazuhiro Masahoto Takeshi Takeo Takafumi Toshihito Toshimi Akio Hisakatsu
Kamiya Nakayama Oda Deushi Kunieda Mori Mizoguchi Iwasaki Ito