17-alpha-Propyl-19-nortestosterone 17-beta-Hydroxy-17-propylestr-4-en-3-one 27984-91-4 4-08-00-01014 (Beilstein Handbook Reference) BRN 3149456 ESTR-4-EN-3-ONE, 17-beta-HYDROXY-17-PROPYL- NSC 15431