3781097 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3781097 > 2 > ChemIDplus > 086161991 > 86161-99-1 Proteinase, Crotalus atrox venom metallo- > 86161-99-1 > 086161991 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=086161991 $$$$