11-(4-Dimethylaminophenyl)-6-methyl-4',5'-dihydro(estra-4,9-diene-17,2'-(3H)-furan)-3-one 118968-41-5 Org 31710 Org-31710 Spiro(estra-4,9-diene-17,2'(3'H)-furan)-3-one, 11-(4-(dimethylamino)phenyl)-4',5'-dihydro-6-methyl-, (6beta,11beta,17beta)-