Preliminary pharmacological studies in vitro showed that most of these compounds exhibited vasodilative activities. Compound F11 showed the strongest effect.
初步生物活性实验表明，多数化合物具有不同程度的扩张血管作用，其中化合物f11的血管收缩抑制活性最强。
These derivatives showed certain pregnancy terminating activity in aminal tests. Among them, 2-biphenylyl group compounds exhibited more potent activity than the others.
药理试验表明：上述化合物均有不同程度的口服抗早孕活性，其中以2-联苯基取代物活性较高。
The X ray diffraction exhibited that this type of the compounds was monoclinic system.
射线衍射分析表示该类化合物均属斜方晶系。
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