CAS No:N/A||Chemical Formula:C23H32N4O7Si ||Molecular Weight:504.61500||Exact Mass:504.20403||4-nitrobenzyl (R)-4-((2R,3S)-3-((R)-1-((tert-butyldimethylsilyl)oxy)ethyl)-4-oxoazetidin-2-yl)-2-diazo-3-oxopentanoate
No. 44011602000398, Guangdong public network Anne