quinidine

/kwin-i-deen, -din/US // ˈkwɪn ɪˌdin, -dɪn //UK // (ˈkwɪnɪˌdiːn) //

奎尼丁,奎尼迪,奎宁,奎尼汀

Definitions

n.名词 noun

1
Pharmacology.
- : a colorless, crystalline alkaloid, C20H24N2O2, isomeric with quinine, obtained from the bark of certain species of cinchona trees or shrubs, used chiefly to regulate heart rhythm and to treat malaria.

It is nothing more than quinidine, or cinchonidine, or a mixture of both.
Quinidine yields with chromic acid the same decomposition products as quinine.
This reaction is not characteristic of quinine, for with quinidine one gets the same reaction.
Dr de Vrij, for instance, found sometimes more than 20% of quinidine in some samples of quinoidine of commerce.
From the above statement respecting the solubility of quinidine in ether, it appears that the 10 gr.