Browsing by Subject "C07D 231/54 (20130101)"

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    • Azasteroids Compounds and Derivatives 

      Berlin, Kenneth Darrell; Durham, Norman Nevill; Desjardins, Claude; Board of Regents/Oklahoma State University and the A & M Colleges (U.S. Patent and Trademark Office, 1976-10-19)
      Azasteroids and certain derivatives each of a five ring system containing at least one aromatic nucleus and at least one nitrogen atom. The ring system is fused to a tetrahydrotetralin system or a tetrahydrophenanthrene ...