3736874 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3736874 > 2 > ChemIDplus > 026865918 > 26865-91-8 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 7-oxo-6-((phenoxyacetyl)amino)-, monopotassium salt Bisnorpenicillin V > 26865-91-8 > 026865918 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=026865918 $$$$