3836058 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3836058 > 2 > ChemIDplus > RC8970000 > NIOSH/RC8970000 > 19-Nor-17-alpha-pregn-4-en-20-yn-3-one, 4-chloro- 4-Chloro-19-nor-17-alpha-pregn-4-en-20-yn-3-one 4-Chloro-19-norethynyltestosterone RC8970000 > RC8970000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=RC8970000 $$$$