Wenderoth, Lind & Ponack
Antibiotics KA-6606 XII, XIII, XV, XVI and XVII
 A process for producing an antibiotic, which comprises cultivating an antibiotic KA-6606-producing strain of the genus Saccharopolyspora in a nutrient culture medium, isolating an 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, KA-6606 X, KA-6606 XI, KA-6606 XII, KA-6606 XIII, KA-6606 XIV, KA-6606 XV, KA-6606 XVI and KA-6606 XVII; and novel antibiotics KA-6606 XII, XIII and XV to XVII. 
Kowa Company, Ltd.
Y C C C C
Y10S C12N C07H C12R C12P
additional inventional inventional additional inventional
Isamu Toshihito Akio Takeo
Watanabe Mori Iwasaki Deushi