[5] PENG Ying,ZENG Xian-ke,FENG Yi-pu,et al. Journal of Cardiovascular Pharmacology,2004,43,876.

[11] Van Dort M E,Jung Y W,Sherman P S,et al. J. Med. Chem.,1995,38,810.

[12] Marquez V E,Tseng C K H,Mitsuya H,et al. J. Med. Chem., 1990,33,978.

[13] Posner G H,McGarvey D J,Oh C H,et al. J. Med. Chem.,1995,38,607.

[15] Koten I A,Sauer R J. Organic Syntheses,1962,42,26.