Уважаемые коллеги!Помогите, пожалуйста, получить вот эти статьи:
1.
J. van Thuijl, K. J. Klebe, J. J. van Houte. Fragmentation behaviour and ring expansion of 1-methylimidazole and 1-methylpyrazole upon electron-impact. Organic Mass Spectrometry, 7, 10, 1973, 1165–1172.
2.
A. Maquestiau, Y. Van Haverbeke, H. Mispreuve, R. Flammang, J. A. Harris, I. Howe and J. H. Beynon. The gas phase structure of some protonated and ethylated aromatic amines. Organic Mass Spectrometry, 15, 3, 1980, 144–148.
3.
M. W. E. M. Van Tilborg, J. J. Van Houte and J. Van Thuijl. The structure of [C3H4N2]+• and [C5H5N2]+ ions formed from vinylimidazoles, studied by collisionally activated dissociation mass spectrometry. Organic Mass Spectrometry, 19, 1, 1984, 16–22.
4.
Gregory W. Adams, John H. Bowie and Roger N. Hayes. Negative-ion fragmentations of deprotonated heterocycles. The pyrazole and imidazole ring systems. Rapid Communications in Mass Spectrometry, 6, 1, 1992, 54–57.
5.
Alberto Sala, Francesco Ferrario, Emanuele Rizzi, Silvia Catinella and Pietro Traldi. Electron ionization mass spectrometry of some 1-and 2-alkylimidazoles and 1,3-dialkylimidazole iodides. Rapid Communications in Mass Spectrometry, 6, 6, 1992, 388–393.
6.
K. H. Ott, F. W. Röllgen, J. J. Zwinselman, R. H. Fokkens and N. M. M. Nibbering. Negative ion field desorption mass spectra of some inorganic and organic compounds. Organic Mass Spectrometry, 15, 8, 1980, 419–422.
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