3843944 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3843944 > 2 > ChemIDplus > XH9801500 > NIOSH/XH9801500 > 4-Thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 3,3-dimethyl-7-oxo-6- ((phenylacetyl)amino)-(2S-(2-alpha,5-alpha,6-beta))-, compd. with 1-p-chlorobenzyl-2-pyrrolidyl-methylbenzimidazol Antihistamine penicillin XH9801500 > XH9801500 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=XH9801500 $$$$