3744475 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3744475 > 2 > ChemIDplus > 054577990 > 54577-99-0 CCRIS 3604 EINECS 259-242-2 Leupeptin Leupeptins Peptides, leupeptins > 54577-99-0 > 054577990 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=054577990 $$$$