求助文献:
期刊:Organic Mass Spectrometry
年卷期页码:1989, 24(2), 817-822
作者:Todd A. Gillespie, Laszlo Urogdi, Alan R. Katritzky, Richard A. Yost
标题:Studies of phthalic acid and related compounds by positive- and negative-ion chemical ionization tandem mass spectrometry (± CI/MS/MS)
link: http://dx.doi.org/10.1002/oms.1210240916
http://dx.doi.org/10.1002/oms.1210240916谢谢!