But he wants in the Lipitor patent expires, to avoid Pfizer's sales plummeted, I am afraid, will have to do more.
2
像立普妥这样的拳头产品的专利过期时，来自仿制药的竞争使其价格暴跌，有时不足原价的十分之一。
When patents on blockbusters like Lipitor run out, generic competition ensures that prices collapse quickly-sometimes to a tenth of their former levels.
3
辉瑞制药的降血脂药立普妥(阿活他汀)，世界上销售最好的处方药，将在11月30日失支专利保护。
Lifetime sales of Pfizer's cholesterol-lowering drug Lipitor (atorvastatin), the world's top-selling prescription medicine. It loses patent protection from 30 November.
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