头孢匹胺

{{drugbox
| verifiedrevid = 292083513
| IUPAC_name = 7-[2-[(4-羟基-6-甲基吡啶-3-羰基)-氨基]-2-(4-羟基苯基)-乙酰氨基]-3-(1-甲基-1H-四唑-5-硫代甲基)-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸
(6R)-7-{[(2R)-2-(4-hydroxyphenyl)-2-[(6-methyl-
4-oxo-1H-pyridine-3-carbonyl)amino]acetyl]amino}-
3-[(1-methyltetrazol-5-yl)sulfanylmethyl]-8-oxo-
5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
| image = Cefpiramide.svg
| CAS_number_Ref =
| CAS_number = 70797-11-4
| ATC_prefix = J01
| ATC_suffix = DD11
| ATC_supplemental =
| PubChem = 636405
| DrugBank_Ref =
| DrugBank = DB00430
| ChemSpiderID_Ref =
| ChemSpiderID = 552192
| UNII_Ref =
| UNII = P936YA152N
| KEGG_Ref =
| KEGG = D03428
| ChEBI_Ref =
| ChEBI = 59213
| ChEMBL_Ref =
| ChEMBL = 1201204
| C = 25 | H = 24 | N = 8 | O = 7 | S = 2
| molecular_weight = 612.64 g/mol
| bioavailability =
| protein_bound = 93%至99.3%
| metabolism =
| elimination_half-life = 4.44 hours
| excretion = Renal and fecal
| pregnancy_AU =
| pregnancy_US =
| pregnancy_category =
| legal_AU =
| legal_UK =
| legal_US =
| legal_status =
| routes_of_administration = 静脉注射、肌肉注射
}}

头孢匹胺也称为“头孢吡胺”“头孢吡四唑”或“甲吡唑头孢菌素”，是一种第三代头孢菌素。此抗生素对革兰氏阳性菌（包括葡萄球菌、链球菌、消化球菌等）具有很强的抗菌作用，对绿脓杆菌等革兰氏阴性杆菌也有较强的作用。头孢匹胺对β－内酰胺酶稳定。

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