That's the rub for Takeda Pharmaceutical, maker of Rozerem, a sleeping pill best known for its surrealistic ads featuring Abe Lincoln, a talking beaver and a deep-sea diver (pictured, left).

Rozerem对于Takeda制药的制造者很难，作为最出名的安眠药是因为它的超现实的广告特征，亚伯·林肯与河狸和深海潜水员谈话(图左)。

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To make matters worse for New York-based Pfizer, the globe's largest drug maker, Zocor maker Merck will lose patent protection on the active ingredient in that pill next year, causing Zocor's price to plunge as it becomes a cheap generic.

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