参考文献:
VERTEX PHARMACEUTICALS INCORPORATED RUAH, Sara, Hadida, S. GROOTENHUIS, Peter, D., J. VAN GOOR, Fredrick MILLER, Mark, T. MCCARTNEY, Jason ZHOU, Jinglan BEAR, Brian NUMA, Mehdi, Michel, Djamel Patent: WO1/53471 A1, 1 Location in patent: Page/Page column 58-59