SCHERING CORPORATION; SCOTT, Jack, D.; STAMFORD, Andrew, W.; GILBERT, Eric, J.; CUMMING, Jared, N.; ISERLOH, Ulrich; WANG, Lingyan; LI, Wei Patent: WO2011/44187 A1, 2011 ; Location in patent: Page/Page column 94 ; WO 2011/044187 A1