CAS No:120410-24-4 ||Chemical Formula:C15H18N4O4S||Molecular Weight:350.39300 ||Exact Mass:350.10488 ||6-[[(4R,5S,6S)-2-Carboxy-6-[(1R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-en-3-yl]thio]-6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium Inner Salt