| 释义 |
cephalosporanic acid ceph·a·lo·spor·an·ic ac·id (sef'ă-lō-spōr-an'ik as'id), The basic chemical nucleus on which cephalosporin antibiotic derivatives are based.ceph·a·lo·spor·an·ic ac·id (sef'ă-lō-spōr-an'ik as'id) The basic chemical nucleus on which cephalosporin antibiotic derivatives are based. |