3744523 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3744523 > 2 > ChemIDplus > 054651604 > 54651-60-4 Proelastin > 54651-60-4 > 054651604 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=054651604 $$$$