<unk>  is a derivative of ephedrine.  It has been isolated from Ephedra distachya.
In organic chemistry,<unk>  is used as a resolving agent and as a precursor to chiral supporting electrolytes, phase-transfer catalysts, and reducing agents.
N-Methylephedrine
Methoxyphedrine
Ephedrine
Benzoctamine
Bethanechol chloride
Theobromine
Demecarium bromide
Cimetropium bromide