4PENG Z, SHARON S Y, PEILING H, etal. Simultaneous determination of synthetic phosphodiesterase-5 inhibitors found in a dietary supplement and pre-mixed bulk powders for dietary supplements using high-performance liquid chromatography with diode array detection and liquid chromatography-electrosp ray ionization tandem mass spectrometry[J]. J Chromatogr A, 2006, 1 104: 113-122. 被引量：1
5STARK S , SACHASE R , STARK A, et al. Erectile response on visual sexual stimulation after 20 mg or 40 rag Bay 38-9456 or placebo[J]. Eur Urol, 2000, 37 (S2): 15-18. 被引量：1
6Stark S, Sachase R, Stark A, et al. Erectile response on visual sexual stimulation after 20 mg or 40 mg Bay 38 - 9456 or placebo[J]. Eur Urol, 2000, 37 (S2): Abstl5. 被引量：1
7Harming H, Niewohner U, Sehenke T, et al. Imidazo [5,1-f] [1,2,4] triazin-4(3H)-ones,a new class of potent PDE-5 inhibitors [ J ]. Bioorg Med Chem Lett, 2002,12:865 -868. 被引量：1
8Peter J D. Synthesis of commercial phosphodiesterase ( Ⅴ ) inhibitors [ J ]. Org Process Res Dev, 2005,9 (1) :88 -97. 被引量：1
9Nowakowski M, Vetter A. Method for the production of 2-( 2-ethoxyphenyl ) -substituted imidazotriazinones [P]. US 20 040 097 505,2004. 被引量：1
10Meelvaln S M, Nelson J W. The preparation of orthoesters [ J ]. J Am Chem Soc, 1942,64 : 1827. 被引量：1
