参考文献

BAYER PHARMA AKTIENGESELLSCHAFT; KLAR, Ulrich; KOPPITZ, Marcus; NGUYEN, Duy; KOSEMUND, Dirk; NEUHAUS, Roland; SIEMEISTER, Gerhard Patent: WO2012/130905 A1, 2012 ; Location in patent: Page/Page column 86-87 ; WO 2012/130905 A1