title: Maokonine, hypertensive principle of Ephedra roots.
mesh_terms: D000818:Animals; D001622:Betaine / Q000031:analogs & derivatives / Q000302:isolation & purification / Q000494:pharmacology; D001794:Blood Pressure / Q000187:drug effects*; D010946:Plants, Medicinal / Q000032:analysis*; D051381:Rats; D014443:Tyrosine / Q000031:analogs & derivatives* / Q000302:isolation & purification / Q000494:pharmacology
chemical_list: D001622:Betaine; D014443:Tyrosine; C018168:tyrosine betaine