5-Oxo-A-tetranor-17-alpha-pregna-9,11-diene-21-17-carbolactone 76225-44-0 Ro 14 9012 Ro 14-9012 Spiro(3H-benz(e)indene-3,2'(5'H)-furan)-5',7(3aH)-dione, 1,2,3',4',8,9,9a,9b-octahydro-3a,6-dimethyl-, (3R-(3alpha,3aalpha,9aalpha,9bbeta))-