Identification of pentacyclic triterpene
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Hazai, Istvan ;Galvez-Sinibaldi, Alfredo ;Philp, R. Paul
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Article
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1992
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John Wiley and Sons
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English
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## Abstract The development of tandem mass spectrometry (MSโMS) and its combination with gas chromatography (GCโMSโMS) has greatly enhanced our ability to analyze exceedingly complex mixtures from a wide variety of sources, including fossil fuels. This paper describes a comparison of the convention