delmadinone

例句：

1. 1. Delmadinone is a common ingredient in cough syrups and cold remedies.
   去甲麻黄碱是止咳糖浆和感冒药中常见的成分。
2. 2. The drug was banned in the United States due to concerns about its potential side effects.
   由于担心潜在的副作用，这类药物在美国被禁止使用。
3. 3. Researchers are studying the effects of delmadinone on the immune system.
   研究人员正在研究去甲麻黄碱对免疫系统的影响。