3761990 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3761990 > 2 > ChemIDplus > 068994036 > 68994-03-6 N-Acetylglucosaminyl-1,6-anhydro-N-acetylmuramyl-alanyl-glutamyl-diaminopimelyl-alanine Sleep-promoting factor S Urinary factor S (sleep-promoting) > 68994-03-6 > 068994036 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=068994036 $$$$