9b-Pregn-4-ene-3,20-dione, 9,11b-epoxy-17,21-dihydroxy-(6CI,7CI,8CI); 9,11-Epoxy-9H-cyclopenta[a]phenanthrene, pregn-4-ene-3,20-dionederiv.; 9b,11b-Epoxy-17,21-dihydroxypregn-4-ene-3,20-dione
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