Patent 7449447 was granted and assigned to Schering on November, 2008 by the United States Patent and Trademark Office.
The present application discloses a compound, or enantiomers, stereoisomers, rotamers, tautomers, racemates or prodrug of said compound, or pharmaceutically acceptable salts or solvates of said compound, or of said prodrug, said compound having the general structure shown in Formula 1: