2-Phenyl-7-methyl-3-oxa-A-nor-14beta-estra-1,5(10),6,8-tetraen-17alpha-ol 70878-00-1 A-Nor-3-oxaestra-1,5,7,9-tetraen-17-ol, 7-methyl-2-phenyl-, (13alpha,17beta)-(+-)-