... Present address: BASF AG, Ludwigshafen, Federal Republic of Germany. I Kyoto University. Institute of Microbial Chemistry. 0002-7863/90/1512-838$02.50/0 ... ganawa, H.; Umezawa, HJ Anribior. 1978, 32, 801. 0 1990 American Chemical Society Page 2. ... SOC.. Vol. 112, No. ...