| 摘要 |
The invention provides for compounds having formula (1) wherein, R1 is O, (H,H), (H,OH), or NOR, with R being hydrogen, (C1-6) alkyl or (C1-6) acyl; R2 is hydrogen, methyl, ethyl, or ethenyl; R3 is hydrogen, methyl, ethyl, ethenyl, fluoro, or chloro; R4 is methyl, or ethyl; R5 is hydrogen, methyl, or ethyl; R6 is hydrogen, methyl, ethyl, (C1-3) alkenyl, or (C1-3) alkynyl; R7 is hydrogen or (C1-15) acyl; and at least one of R5 or R6 is hydrogen; or a pharmaceutically acceptable salt thereof, for use as medicine for a treatment to increase androgen levels, for androgen supplementation, for testosterone replacement and for benign prostate hypertrophy and in a method of male contraception, preferably as sole means to achieve both progestagenic sterilitant effect and androgen supplementation.
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