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Solvent Dependency of the UV-Vis Spectrum of Indenoisoquinolines: Role of Keto-Oxygens as Polarity Interaction Probes
Figure 8
IQN in equilibrium with its zwitterionic forms.
A) polarization of the lactam group B) polarization of the carbonyl group of the indeno moiety.
doi: https://doi.org/10.1371/journal.pone.0073881.g008