cas no:n/a||chemical formula:c12h14n2o7s||molecular weight:330.31376||exact mass:330.05217||2-(((6r,7r)-3-(acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.……
cas no:27267-35-2||chemical formula:c11h12n2o6s||molecular weight:300.28500||exact mass:300.04161||(6r,7r)-3-(acetoxymethyl)-7-formamido-8-oxo-5-thia-1-azabicyc……
cas no:n/a||chemical formula:c21h22n4o11s2||molecular weight:570.54400||exact mass:570.07265||(6r,6'r,7r,7'r)-7,7'-(carbonylbis(azanediyl))bis(3-(acetoxymethyl)……