2-Man-3-O-16-tdhete-17 2-Methyl-A-nor-3-oxa-16-thia-D-homo-1,5(10),8,14-estratetraen-17-ol 4H-Thiopyrano(3',4':5,6)naphtho(2,1-b)furan-6-ol, 5,5a,6,7,10,11-hexahydro-2,5a-dimethyl-, trans-(+-)- 78853-64-2