Synonyms: 16,17-Secoestra-1,3,5(10)-trien-17-oicacid, 3-hydroxy- (8CI); 2-Phenanthrenecarboxylic acid,1-ethyl-1,2,3,4,4a,9,10,10a-octahydro-7-hydroxy-2-methyl-, [1S-(1a,2b,4ab,10aa)]-; 2-Phenanthrenecarboxylicacid, 1-ethyl-1,2,3,4,4a,9,10,10a-octahydroxy-7-hydroxy-2-methyl- (7CI);3-Hydroxy-16,17-secoestra-1,3,5(10)-trien-17-oic acid; Doisynolic acid;trans-Doisynolic acid