| 摘要 |
Summary Compounds of the formula I (I) in which Sp signifies a spacer, Z = valency bond, , , NH or S, A = hydrogen, hydroxyl or amino possibly substituted by lower alkyl, alk = a straight-chained or branched alkylene chain with 1 - 6 carbon atoms, R7 = hydrogen or lower alkyl, as well as their pharmacologically acceptable salts, processes for their preparation, as well as medicaments which contain these compounds for the treatment of osteoporosis.
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