3748691 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3748691 > 2 > ChemIDplus > 063653203 > 63653-20-3 AC(sub 1)-Proteinase Proteinase, agkistrodon acutus venom, AC(sub 1) > 63653-20-3 > 063653203 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=063653203 $$$$