【序号】:1 【作者】:Zhong Dafang, Xing Jie, Zhang Shuqiu, Sun Lu 【题名】:Study of the electrospray ionization tandem mass spectrometry of sildenafil derivatives. 【期刊】:Rapid Communications in Mass Spectrometry 【年、卷、期、起止页码】:2002, 16: 1836-1843 【全文链接】:http://www3.interscience.wiley.com/journal/98515480/abstract