常見例句權(quán)威例句By the end of the year, the patents will have expired on 16 drugs--including allergy pill Allegra and cholesterol pill Pravachol, which have already expired, and Flonase and Biaxin, which could face generic competition by the fall.FORBES: The Generic OnslaughtKetek is a modified version of a commonly used class of antibiotics, called macrolides, which includes Pfizer 's (nyse: PFE - news - people ) Zithromax and Abbott Laboratories ' (nyse: ABT - news - people ) Biaxin.FORBES: Antibiotic Breakthroughs Fall Short 返回 Biaxin