参考文献:
MERCK SHARP and DOHME CORP. ROMEO, Eric Thomas MACHACEK, Michelle, R. TROTTER, Benjamin Wesley MILLER, Thomas Allen ANDRESEN, Brian Michael ANTHONY, Neville John TAOKA, Brandon, M. LIU, Yuan Patent: WO22/57 A, 22 Location in patent: Page/Page column 54 WO 22/57 A