Synonyms: 16,17-Seco-13a-estra-1,3,5,7,9-pentaen-17-oicacid, 3-methoxy-, (?à)- (8CI); 2-Phenanthrenecarboxylic acid,1-ethyl-1,2,3,4-tetrahydro-7-methoxy-2-methyl-, cis-(?à)-; 2-Phenanthrenecarboxylicacid, 1-ethyl-1,2,3,4-tetrahydro-7-methoxy-2-methyl-, cis-; Doisynoestrol;Fenociclina; Fenocyclin; Fenocycline; NSC 56846; Phenocyclin; Surestrine;Surestryl; dl-cis-Bisdehydrodoisynolic acid methyl ether