PI00030028 头孢丙烯反式异构体 E-Cefprozil CAS No:92676-86-3 ||Chemical Formula:C18H19N3O5S ||Molecular Weight:389.426 ||Exact Mass:389.10454|| "||(6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
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