Synonyms: 8-Aza-19-nor-17a-pregna-1,3,5(10)-trien-20-yn-17-ol,3-methoxy-, hydrobromide, (?à)- (8CI); 8-Aza-19-norpregna-1,3,5(10)-trien-20-yn-17-ol, 3-methoxy-,hydrobromide, (17a)-(?à)-;Benzo[a]cyclopenta[f]quinolizin-1-ol,1-ethynyl-1,2,3,3a,5,6,10b,11,12,12a-decahydro-8-methoxy-12a-methyl-,hydrobromide, (1R,3aR,10bR,12aS)-rel- (9CI); Benzo[a]cyclopenta[f]quinolizine,8-aza-19-norpregna-1,3,5(10)-trien-20-yn-17-ol deriv.;DL-trans-3-Methoxy-8-aza-19-nor-17a-pregna-1,3,5-trien-20-yn-17-ol hydrobromide; Estrazinol hydrobromide; W4454A