3844349 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3844349 > 2 > ChemIDplus > XW5810600 > NIOSH/XW5810600 > Toxin B, from Yersinia pestis XW5810600 Yersinia pestis toxin B > XW5810600 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=XW5810600 $$$$