Synonyms: 17a-Pregna-4,6-diene-21-carboxylicacid, 17-hydroxy-3-oxo-, g-lactone (6CI,7CI,8CI);17-Hydroxy-3-oxo-17a-pregna-4,6-diene-21-carboxylic acid g-lactone;17a-(2-Carboxyethyl)-17b-hydroxyandrosta-4,6-dien-3-one lactone;17b-Hydroxy-3-oxopregna-4,6-diene-21-carboxylicacid;20-Spiroxa-4,6-diene-3,21-dione;3-(17b-Hydroxy-3-oxoandrosta-4,6-dien-17a-yl)propionic acid g-lactone;3'-(3-Oxo-17b-hydroxyandrosta-4,6-dien-17a-yl)-propionic acid lactone;Aldadiene;Phanurane;