Taxol, now produced only by Bristol-Myers, is a new anti-cancer drug derived from the shredded bark of the Pacific yew tree. Sales have reached as much as US $ 1 billion a year, and Yang argues that naturally the company doesn't want to share such a large market with anyone else.
楊國宙指出，必治妥公司生產的「汰癌勝」，是從太平洋紫杉樹皮中萃取出來的獨門抗癌藥物，一年的全球銷售額超過十億美元，這樣利潤豐厚的市場豈容新進者染指？