参考文献

BOEHRINGER INGELHEIM INTERNATIONAL GMBH; AUSTEN, Matthias; BLACK, Phillip; BLACKABY, Wesley; DANILEWICZ, John; LINNEY, Ian; SCHREITER, Kay; SCHNEIDER, Martin Patent: WO2010/23181 A1, 2010 ; Location in patent: Page/Page column 50-51 ; WO 2010/023181 A1