1. M. Okuhara, Y. Kuroda, T. Goto, M. Okamoto, H. Terano, E. Iguchi, M. Kohsaka, H. Aoki, and H. Imanaka, J. Antibiot., submitted for publication.
2. M. Okuhara, Y. Kuroda, Y. Goto, M. Okamoto, H. Terano, M. Kohsaka, H. Aoki, and H. Imanaka, J. Antibiot., submitted for publication.
3. Y. Kuroda, M. Okuhara, T. Goto, M. Okamoto, H. Terano, M. Kohsaka, H. Aoki, and H. Imanaka, J. Antibiot., submitted for publication.
4. Y. Mine, T. Kamimura, S. Nonoyama, and M. Nishida, J. antibiot., submitted for publication
5. H. Kojo, Y. Shigi, and M. Nishida, J. Antibiot., submitted for publication