"嗎啡(Kadian、Ms Contin 等),也可以在實驗室合成,例如芬太尼（Actiq、Duragesic 等）"

https://www.mayoclinic.org/zh-hans/diseases-conditions/prescription-drug-abuse/expert-answers/what-are-opioids/faq-20381270#:~:text=%E9%98%BF%E7%89%87%E7%B1%BB%E8%8D%AF%E7%89%A9%E6%98%AF%E4%B8%80,%EF%BC%88Actiq%E3%80%81Duragesic%20%E7%AD%89%EF%BC%89%E3%80%82