仅用于工业应用或科学研究，不可用于人类或动物的临床诊断或治疗，非药用.Higenamine （Norcoclaurine, （+-）-Demethylcoclaurine）, also known as Norcoclaurine HCl, is a non-selective β2 adrenoceptor agonist which is a chemical compound naturally occurring in a number of plants.