3730687 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3730687 > 2 > ChemIDplus > 008026388 > 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6-((phenylacetyl)amino)- (2S-(2alpha,5alpha,6beta))-, compd. with 2-(diethylamino)ethyl 4-aminobenzoate (1:1), mixt. with cryst. penicillin 8026-38-8 Polbicillin > 8026-38-8 > 008026388 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=008026388 $$$$