120410-24-4 5H-Pyrazolo(1,2-a)(1,2,4)triazol-4-ium, 6-((2-carboxy-6-(1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo(3.2.0)hept-2-en-3-yl)thio)-6,7-dihydro-, hydroxide, inner salt, (4R-(4alpha,5beta,6beta(R*)))- 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)-s-triazol-4-ium hydroxide, inner salt Biapenem Biapenem [USAN:INN] CL 186,815 L 627 LJ C10,627