CAS No:64817-23-8||Chemical Formula:C22H29N5O6S||Molecular Weight:491.56300||Exact Mass:491.18385||(2R,4S)-2-(((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)……
CAS No:63422-71-9||Chemical Formula:C15H17N3O5||Molecular Weight:319.31258||Exact Mass:319.11682||(R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacet……
目录号: PI04011013 品名: Piperacillin Impurity R(EP),Piperacillin Dimer1,open ring piperacillinylampicillin
CAS No:N/A||Chemical Formula:C39H46N8O11S2||Molecular Weight:866.96200||Exact Mass:866.27275||(2S,5R,6R)-6-((2R)-2-((2S)-2-((2R,4S)-4-carboxy-5,5-dimethylthiazo……