参考文献:
Perez-Alvarez, Marta Raymo, Francisco M Rowan, Stuart J Schiraldi, David Stoddart, J.Fraser Wang, Zhen-He White, Andrew J.P Williams, David J Tetrahedron, 2001 , vol. 57, # 17 p. 3799 - 3808
参考文献:
FIBROGEN, INC. HO, Wen-Bin WRIGHT, Lee R. TURTLE, Eric D. MOSSMAN, Craig FLIPPIN, Lee A. Patent: WO2010/56767 A1, 2010 Location in patent: Page/Page column 90 WO 2010/056767 A1