This is called a dative bond.

这种化学键称为配位键。

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The strength of the dative bond deponds not only on the substituents R, but also on the skeletal structure of the parent ring.

研究表明配位键的强度不仅受取代基R的影响，而且还与环结构的变化有关。

youdao

The strength of the dative bond deponds not only on the substituents R, but also on the skeletal structure of the parent ring.

研究表明配位键的强度不仅受取代基R的影响，而且还与环结构的变化有关。

youdao