11-(4-Dimethylaminophenyl)-7-methyl-4',5'-dihydro(estra-4,9-diene-17,2'-(3H)-furan)-3-one 123916-70-1 Org 31806 Org-31806 Spiro(estra-4,9-diene-17,2'(3'H)-furan)-3-one, 11-(4-(dimethylamino)phenyl)-4',5'-dihydro-7-methyl-, (7beta,11beta,17beta)-