Wenderoth, Lind & Ponack
Process for production of antibiotics and novel antibiotics produced thereby
 A process for producing an antibiotic, which comprises cultivating an antibiotic KA-6606-producing strain of an genus Saccharopolyspora in a nutrient culture medium, isolating the antibiotic KA-6606-containing substance from the culture broth, and separating from the resulting antibiotic KA-6606-containing substance at least one antibiotic selected from the group consisting of antibiotic KA-6606 VII, KA-6606 VIII, KA-6606 IX, KIA-6606 X, KA-6606 XI, KA-6606 XII, KA-6606 XIII, KA-6606 XIV, KA-6606 XV, KIA-6606 XVI and KA-6606 XVII; and novel antibiotics KA-6606 XII, XIII and XV to XVII. 
Kowa Company, Ltd.
C C Y C C
C12P C12R Y10S C07H C12N
inventional additional additional inventional inventional
Takeo Isamu Akio Toshihito
Deushi Watanabe Iwasaki Mori