1. Regueiro-Ren A , et al. Org Lett, 2001, 3(17), 2693-2696.
		
		
			2. Bollag DM, et al. Cancer Res, 1995, 55(11), 2325-2333.
		
		
			3. Nettles JH, et al. Science, 2004, 305(5685), 866-869.
		
		
			4. Wang YL, et al. J Asian Nat Prod Res, 2009, 11(4), 357-364.
		
		
			5. Swindell CS, et al. J Med Chem, 1991, 34(3), 1176-1184.