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Fig. 1 | Journal of Cheminformatics

Fig. 1

From: An in silico MS/MS library for automatic annotation of novel FAHFA lipids

Fig. 1

Experimental and in silico spectra of the model compound 9-PAHSA in negative ionization mode. a MS/MS spectra with collision energy of 20 V at 4 spectra/s acquired by QTOF; b MS/MS spectra with collision energy of 40 V at 1 spectrum/s acquired by QTOF, and c MS/MS and MS3 spectra acquired by LTQ with 20 % collision energy. The actual relative intensities for m/z 127 and 155 in figure b) are both 0.2 %

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