| 摘要 |
<p>New derivatives of an antibiotic XK-62-2 are produced by chemically modifying the antibiotic XK-62-2. The new derivatives are 1-N-( alpha -hydroxy- delta -aminovaleryl)XK-62-2 and 1-N-( alpha -hydroxy- epsilon -aminocaproyl)XK-62-2 as well as acid addition salts thereof.</p> |
