1 sentence

1. 这种派生化合物保留了其母体的基本结构。

   zhè zhǒng pài​shēng huà​hé​wù bǎo​liú le qí mǔ​tǐ de jī​běn jié​gòu.

   This derivative compound retains the basic structure of its parent compound.

   Source: Dong Chinese Dictionary