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报道了8个2,4-二氨基-5-取代苄基嘧啶衍生物的电子轰击质谱及碰撞活化解离和质量分析离子动能谱.该谱提供了化合物醚键及2,4-二氨基-5-取代苄基嘧啶环的主要碎裂途径,总结了一些裂解规律,将有助于这类化合物的结构推断。
Electron impact mass spectrometry and collision activation dissociation and mass spectrometry ion kinetic energy spectra of eight 2,4-diamino-5-substituted benzyl pyrimidine derivatives are reported.The spectrum provides the ether bond and 2,4-diamino- The main fragmentation pathways of 5-substituted benzylpyrimidine ring are summarized, some of the cracking rules are summarized, which will contribute to the structural inference of these compounds.