Browdy and Neimark
KS-2-B
 KS-2-B was obtained as purified material from the culture of Daedalea dickinsii KSDD 6 (FERM-P No. 3993), Lentinus edodes KSLE 7 (FERM-P No. 3994) or Lentinus edodes KSLE 28 (FERM-P No. 4196). This substance, KS-2-B, is an effective interferon inducing substance. 
Kirin Brewery Company Limited
A A C C C C
A61K A61P C12N C12R C12P C12P
inventional inventional inventional additional inventional inventional
Hiroshi Fujio Nakao Ituro Toshikatsu
Maeda Suzuki Ishida Mizutani Fujii