n.麻黄碱；麻黄素
Optical rotation was used to determine the content of ephedrine hydrochloride. 采用旋光法测定盐酸麻黄碱含量。
Regulations on the control of ephedrine have steadily been improved. 逐步完善管制麻黄素的法规。
n.假麻黄碱
