CAS No:N/A||Chemical Formula:C21H19ClN2O4||Molecular Weight:398.84300||Exact Mass:398.10333||benzhydryl (6R,7S)-7-amino-3-(chloromethyl)-8-oxo-5-oxa-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
No. 44011602000398, Guangdong public network Anne