(Solved): Ephedra is a medicinal preparation from the plant Ephedra Sinica. From the natural extract, a bron ...

Ephedra is a medicinal preparation from the plant Ephedra Sinica. From the natural extract, a bronchial dilator named ephedrine can be isolated. The structure of ephedrine is: a. How many stereoisomers does ephedrine have? b. Draw and name all the stereoisomers c. Research to identify which of the enantiomers has medicinal effects.