3748478 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3748478 > 2 > ChemIDplus > 063340727 > 63340-72-7 Thymic humoral factor Thymus humoral factor > 63340-72-7 > 063340727 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=063340727 $$$$