3744658 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3744658 > 2 > ChemIDplus > 054992197 > 54992-19-7 Toxin alpha (Naja nigricollis reduced) alpha-Toxin (Naja nigricollis) > 54992-19-7 > 054992197 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=054992197 $$$$