3'H-Cycloprop[2,3]androst-2-en-17-ol, 3',3'-difluoro-2,3-dihydro-, acetate, (2.alpha.,3.alpha.,5.alpha.,17.beta.)- 5.alpha.-Androstan-17.beta.-ol, 2.beta.,3.beta.-(difluoromethylene)-, acetate NSC77207