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  Indian J Med Microbiol
 

Figure 3: (a) The mass spectrum (MS) of vasicine showing precursor ion spectra (protonated precursor [M + H]+ ions at m/z 189.06) along with fragmentation transitions. (b) The mass spectrum (MS) of vasicine showing product ion spectra (major fragmentized product ion mass spectra at m/z 171.08) showing fragmentation transitions precursor ion spectra at m/z 189.09

Figure 3: (a) The mass spectrum (MS) of vasicine showing precursor ion spectra (protonated precursor [M + H]+ ions at m/z 189.06) along with fragmentation transitions. (b) The mass spectrum (MS) of vasicine showing product ion spectra (major fragmentized product ion mass spectra at m/z 171.08) showing fragmentation transitions precursor ion spectra at m/z 189.09