The novel compounds of the invention are 19 nor-steroids of the formula: <IMAGE> I Where A, B, C, D, X, Y, Z, R17, and R1 are as defined in the specification, having hormonal properties and their preparation and intermediates.
申请公布号
US5290771(A)
申请公布日期
1994.03.01
申请号
US19920875460
申请日期
1992.04.29
申请人
ROUSSEL UCLAF
发明人
CLAUSSNER, ANDRE;NEDELEC, LUCIEN;PHILIBERT, DANIEL;VAN DE VELDE, PATRICK
