Synonyms: 11-beta,21-Dihydroxy-3,20-dioxopregn-4-en-18-al;3,20-Diketo-11-beta,18-oxido-4-pregnene-18,21-diol;11-beta-18-Epoxy-18,21-dihydroxypregn-4-ene-3,20-dione;Pregn-4-ene-3,20-dione, 11-beta,18-epoxy-18,21-dihydroxy-;Pregn-4-ene-3,20-dione, 11,18-epoxy-18,21-dihydroxy-, (11-beta)-;AC1L46OY;6251-69-0;LS-118670;Pregn-4-ene-3,20-dione, 11beta,18-epoxy-18,21-dihydroxy-;Pregn-4-ene-3,20-dione, 11beta,18-epoxy-18,21-dihydroxy- (8CI);11,13-(Epoxymethano)-13H-cyclopenta(a)phenanthrene, pregn-4-ene-3,20-deriv;11,13-(Epoxymethano)-13H-cyclopenta(a)phenanthrene, pregn-4-ene-3,20-deriv.