| 摘要 |
<p>(I) Cephalosporin cpds: R' = H, 1-7C alkyl, alkoxy or alkylthio, Ph, PhO, PhS, thienyl, furyl, benzothienyl or benzofuryl R2 = 1-12C p-alkyl, 3-12C sec.-alkyl or 3-7C cycloalkyl. (II) Salts of (I) High activity against Gram-positive bacteria and some activity against Gram-negative bacteria; resistant to penicillinase.</p> |
