cas no:n/a||chemical formula:c8h12n2o4s||molecular weight:232.25400||exact mass:232.05178||(6r,7r)-7-amino-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct……
cas no:n/a||chemical formula:c8h10n2o3s||molecular weight:214.23900||exact mass:214.04121||(6r,7r)-7-amino-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-……
cas no:n/a||chemical formula:c8h10n2o3s||molecular weight:214.23900||exact mass:214.04121||(5ar,6r)-6-aminotetrahydro-3h,7h-azeto[2,1-b]furo[3,4-d][1,3]thiazine……
cas no:n/a||chemical formula:c13h14n4o4s2||molecular weight:354.39900||exact mass:354.04565||2-(2-aminothiazol-4-yl)-n-((5ar,6r)-1,7-dioxohexahydro-3h,7h-azeto[……
cas no:18884-65-6||chemical formula:c10h12n2o5s||molecular weight:272.27500||exact mass:272.04669||(6r,7r)-3-(acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4……
cas no:184696-69-3||chemical formula:c8h8n2o3s||molecular weight:212.22300||exact mass:212.02556||(5ar,6r)-6-amino-5a,6-dihydro-3h,7h-azeto[2,1-b]furo[3,4-d][1,……
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