3733764 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3733764 > 2 > ChemIDplus > 013635160 > 13-Ethyl-17-((1-oxohexyl)oxy)-18,19-dinorpregn-4-en-20-yn-3-one (17alpha)- 13635-16-0 18,19-Dinorpregn-4-en-20-yn-3-one, 13-ethyl-17-((1-oxohexyl)oxy)-, (17alpha)- > 13635-16-0 > 013635160 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=013635160 $$$$