| 摘要 |
<p>A. Penicillin derivs. R1 and R2 are the same or different = H, alkyl (is not > 6C), alkoxy (is not > 6C), aryl or aryloxy. n = 1 or 2 B. Therapeutically active salts and pharmaceutically acceptable acid addition salts of A (I) Have broad spectrum anti-bacterial activity and may be used for the treatment of infectious diseases caused by Gram.pos. and Gram.negative bacteria. They are especially active against Streptococcus and Staphylococcus in poultry and mammals. They may also be used as feedstuff-additives.</p> |
