3771737 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3771737 > 2 > ChemIDplus > 080700409 > 80700-40-9 Contrapsin Trypsin inhibitor, contrapsin > 80700-40-9 > 080700409 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=080700409 $$$$