judged in this way , moxalactam was the most active compound in relation to its minimum inhibitory concentration , but in comparative experiments in which the same concentration of each drug ( 64 microgram/ml ) was used regardless of the minimum inhibitory concentration , ceftazidime appeared to be the most active antibiotic , followed by ceftriaxone and cefotaxime .
C0007561
ceftriaxone
C0007554
cefotaxime