參考文獻:
VERTEX PHARMACEUTICALS INCORPORATED GREEN, Jeremy WILSON, Dean, M. KONG, Laval, Chan Chun DAS, Sanjoy, Kumar POISSON, Carl COURT, John, J. TANG, Qing LI, Pan COLLIER, Philip, N. WAAL, Nathan LAUFFER, David, J. DORSCH, Warren Patent: WO2012/6055 A2, 2012 Location in patent: Page/Page column 167 WO 2012/006055 A2