symmetrical chromophore是什么意思

用法例句

Lots of research works showed that diorganotin compounds have obviousantitumour activity, and the activity of asymmetric diorganotin compounds is moreextensive because of two different alkyl groups.

大量的研究表明，二烃基锡化合物具有一定的抗癌活性，不对称二烃基锡化合物由于含有两个不同的烃基具有更广泛的抗癌活性。