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头孢尼西(Cefonicid)是供静脉注射或肌肉注射用的第二代头孢菌素。其结构式如图:该药有抗各种肠杆菌属和抗嗜血流感杆菌活性,包括对产酶嗜血流感杆菌的活性。头孢尼西的抗菌作用与第一代头孢菌素相比,有广谱抗革蓝氏阴性杆菌作用,与头孢孟多相比,在抗大肠杆菌、克雷白肺炎杆菌、奇异变形杆菌、柠檬酸杆菌、肠杆菌属和
Cefonicid is a second generation cephalosporin for intravenous or intramuscular injection. The structural formula shown in Figure: The drug has anti-Enterobacter species and anti-Haemophilus influenza activity, including the activity of the enzyme producing hemophilus influenzae. Compared with the first generation cephalosporins, cefonicid has a broad-spectrum anti-gram-negative bacillus effect. Compared with cefadroxil, cefonicid has antibacterial activity against Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis, lemon Acidobacillus, Enterobacter and