A white, odorless, powdered or crystalline alkaloid, C10H15NO, isolated from shrubs of the genus Ephedra or made synthetically. It is used in the treatment of allergies and asthma.
麻黄素一种白色，无味，粉状或结晶状碱，C10 H 15 NO，从麻黄属植物中提取或人工合成。
A white, odorless, powdered or crystalline alkaloid, C10H15NO, isolated from shrubs of the genus Ephedra or made synthetically. It is used in the treatment of allergies and asthma.
麻黄素一种白色，无味，粉状或结晶状碱，C10 H 15 NO，从麻黄属植物中提取或人工合成。
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