3844471 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3844471 > 2 > ChemIDplus > XW5883880 > NIOSH/XW5883880 > Latrodectus hesperus toxin Toxin, spider, latrodectus hesperus XW5883880 > XW5883880 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=XW5883880 $$$$