參考文獻:
SCHERING CORPORATION WONG, Michael, K. LAVEY, Brian, J. YU, Wensheng KOZLOWSKI, Josheph, A. DEMONG, Duane, E. DAI, Xing STAMFORD, Andrew, W. MILLER, Michael, W. ZHOU, Guowei YANG, De-Yi GREENLEE, William, J. Patent: WO2011/119559 A1, 2011 Location in patent: Page/Page column 108 WO 2011/119559 A1