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. Author manuscript; available in PMC: 2019 Mar 26.
Published in final edited form as: Analyst. 2018 Mar 26;143(7):1615–1623. doi: 10.1039/c8an00087e

Figure 6:

Figure 6:

A 3D comparison of IRPD spectra of five m/z 138 solvent-tagged isomeric ions (m/z 179): PABA●ACN (red), MABA●ACN (orange), OABA●ACN (green), salicylamide●ACN (blue) and 3-PAA●ACN (black).