College of Chemistry and Chemical Engineering;
Central South University;
Changsha 410083;
China;
Department of Chemistry and Chemical Engineering;
Yueyang Normal University;
Yueyang 414000;
China College of Chemistry and Chemical Engineering;
Central South University;
Changsha 410083;
China;
L-dibenzoyltartaric; acid; terbutaline; enantiomers; chiral; extraction;