7-氨基-3-甲基-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-甲酸

头孢唑啉杂质C

(6R,7R)-3-methyl-8-oxo-7-[(1-phenylcyclopentanecarbonyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

四氮唑乙酸

盐酸头孢他美

头孢氨苄

D-(-)-alpha-苯甘氨酸

头孢羟氨苄

促进剂m

(6R)-3-methyl-8-oxo-7t-(trimethylsilanyl-amino)-(6rH)-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid trimethylsilanyl ester

(6R,7R)-7-[[1-(4-溴苯基)环戊烷羰基]氨基]-3-甲基-8-氧代-5-硫杂-1-氮杂双环[4.2.0]辛-2-烯-2-羧酸钠