Synonyms: 17a-Pregna-4,6,9(11)-triene-21-carboxylicacid, 17-hydroxy-3-oxo-, g-lactone (7CI); Spiro[17H-cyclopenta[a]phenanthrene-17,2'(5'H)-furan],pregna-4,6,9(11)-triene-21-carboxylic acid deriv.; 17b-Hydroxy-4,6,9(11)-trien-3-one21-carboxylic acid g-lactone; D9-11-Canrenone;D9-Canrenone