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Fig. B.2

image

PhenanthridineH+ photofragmentation mass spectrum: the red trace corresponds to the mass spectrum recorded without the fragmentation laser, the black trace is the mass spectrum recorded with the fragmentation laser on and shows the appearance of fragments around m/z 152 (major fragments) and around m/z 127 (minor fragments). One spectrum is positive and the other negative just to present clearly the difference between the two spectra.

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