3728651 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3728651 > 2 > ChemIDplus > 002315051 > 2315-05-1 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-(phenoxyacetamido)-, methyl ester Penicillin V, methyl ester > 2315-05-1 > 002315051 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=002315051 $$$$