These groups may be substituted in the phenyl ring.

这些基团有取代的苯环。

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Five groups of B-ring substituted flavone and flavanone-7-O-isopropanolamine derivatives were synthesized and tested on rats for the ventricular arrhythmia induced by aconitine.

合成了五组B环具不同取代基的黄酮和黄烷酮- 7 - o -异丙醇胺衍生物，并进行了对乌头碱诱发大鼠室性心律失常预防作用的药理试验。

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