3747331 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3747331 > 2 > ChemIDplus > 061583571 > 61583-57-1 Big ptth Bombyxin-thp Prothoracicotropic hormone Prothoracotropin Small ptth > 61583-57-1 > 061583571 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=061583571 $$$$