3740496 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3740496 > 2 > ChemIDplus > 039126595 > 39126-59-5 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-6,7-dioxo-, phenylmethyl ester, (2S-cis)- Benzyl-6-oxopenicillanate > 39126-59-5 > 039126595 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=039126595 $$$$