CAS No:N/A||Chemical Formula:C8H10ClNO5S||Molecular Weight:267.68000||Exact Mass:266.99682||6-chloro-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carb……
CAS No:87-53-6||Chemical Formula:C8H11NO3S||Molecular Weight:201.24000||Exact Mass:201.04596||(2S,5R)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-car……