cefpirome sulfate
1-(((6R,7R)-7-(2-(2-Amino-4-Thiazolyl)Glyoxylamido)-2-Carboxy-8-Oxo-5-Thia-1-Azabicyclo(4.2.0)Oct-2-En-3-yl)Methyl)-6,7-Dihydro-5H-1-Pyrindinium Hydroxide, Inner Salt, 7(Sup 2)-(Z)-(O-Methyloxime), Sulfate (1:1)