哌嗪

pàiqín

noun

Meanings

HSK 6

许多药物的分子结构中都含有哌嗪环。

Xǔduō yàowù de fēnzǐ jiégòu zhōng dōu hányǒu pàiqín huán.

The molecules of many drugs contain a piperazine ring.

HSK 7-9

哌嗪以前常用来给孩子驱蛔虫。

Pàiqín yǐqián cháng yònglái gěi háizi qū huíchóng.

Piperazine used to be a common treatment for roundworm in children.

memory

A sound loan of 'piperazine': 哌 for 'pip-' and 嗪 for '-zine'. 哌 also starts 哌啶 'piperidine', and 嗪 ends 吡嗪 'pyrazine'.

哌 pài

嗪 qín