1,4-Ddhns 1,4-Dihydroxy-3-deoxy-A-homo-19-nor-9,10-secocholesta-4,7-diene 75946-87-1 A-Homo-19-nor-9,10-secocholesta-5,7-diene-1,4-diol, (1alpha,4alpha,5Z,7E)-