3778731 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3778731 > 2 > ChemIDplus > 085306532 > 85306-53-2 Toxin, preproentero- (Escherichia coli clone pST19 STI reduced) 72 > 85306-53-2 > 085306532 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=085306532 $$$$