3843940 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3843940 > 2 > ChemIDplus > XH8495000 > NIOSH/XH8495000 > 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-(2-(p-benzylphenoxy)acetamido)-3,3-dimethyl-7-oxo-, potassium salt Potassium 4-benzylphenoxymethylpenicillin XH8495000 > XH8495000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=XH8495000 $$$$