CAS 37539-03-0 (6R-trans)-7-Amino-8-oxo-3-((1H-1,2,3-triazol-4-ylthio)methyl)-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid (HCID 6400459)|Huagongshe