3830251 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3830251 > 2 > ChemIDplus > KG7962200 > NIOSH/KG7962200 > 17-alpha-(1-Butynyl)-17-beta-hydroxyestr-4-en-3-one 17-alpha-Ethylethynyl-19-nortestosterone Estr-4-en-3-one, 17-alpha-(1-butynyl)-17-beta-hydroxy- KG7962200 > KG7962200 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=KG7962200 $$$$