| 摘要 |
The present invention relates to a new use of an active agent selected from compounds of formula I, <IMAGE> I wherein R1 is hydrogen or alkyl of 1 to 5 carbon atoms, R2 is hydrogen, alkyl of 1 to 5 carbon atoms or benzyl, and R3 is hydrogen or alkyl of 1 to 4 carbon atoms, IN THE TREATMENT OF OLIGOSPHERMIA AND ASTHENOSPERMIA.
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