Figure 2.
Proposed fragmentation pathways of mono-, tri-, tetra-, and penta-nitro PBNA derivatives based on the MS2 spectral data in ESI– (detailed mass data in Table S4). The fragment ions highlighted in blue give the strongest signals.
Proposed fragmentation pathways of mono-, tri-, tetra-, and penta-nitro PBNA derivatives based on the MS2 spectral data in ESI– (detailed mass data in Table S4). The fragment ions highlighted in blue give the strongest signals.