头孢美唑钠
Cefmetazole Sodium
(6R,7S)-7-[2-[(cyanomethyl)thio]acetamido]-7-methoxy-3-[[(1-methyl-1H- tetrazol-5-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
原料药

56796-39-5
C15H16N7NaO5S3
493.52
符合 USP 标准。