1-Ethyl-1,2,3,4,4a,9,10,10a-octahydro-7-hydroxy-2-methyl-2-phenanthrenecarboxylic acid 1-Ethyl-7-hydroxy-2-methyl-1,2,3,4,4a,9,10,10a-octahydrophenanthrene-2-carboxylic acid 16,17-Secoestra-1,3,5(10)-trien-17-oic acid, 3-hydroxy- 3-Hydroxy-16,17-secoestra-1,3,5(10)-trien-17-oic acid 482-49-5 Acido doisynolico [Spanish] Doisynolic acid