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cas no:36923-17-8|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-2-ene-2-carbox……

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:c7h8n2o4s（nh3）||molecular weight:216.21442 17.0300 ||exact mass:216.02048 17.02655 ||ammonium salt (6r,7r)-7-amino-8-oxo-5-thia-1-……

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……