cas no:n/a||chemical formula:c7h8n2o3s||molecular weight:200.21502||exact mass:200.02506||(6r,7r)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic……
cas no:n/a||chemical formula:c14h14n4o5s2||molecular weight:382.40900||exact mass:382.04056||(6r,7r)-7-((6r,7r)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en……
cas no:n/a||chemical formula:c7h8n2o3s||molecular weight:200.02556||exact mass:200.21502||(6r,7s)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic……