目的研究粤东产钩吻生物总碱提取物的结构。

Objective To identify the structure of the alkaloid extract of Gelsemium from east Guangdong province of China.

youdao

目的研究粤东产钩吻生物总碱提取物的结构。

Objective To identify the structure of the alkaloid extract of Gelsemium from east Guangdong province of China.

youdao