. 2020 May 25;8:312. doi: 10.3389/fchem.2020.00312
Copyright © 2020 Souto, Sarno, Nebbioso, Papulino, Álvarez, Lombino, Perricone, Padova, Altucci and de Lera.
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Figure 2.
Preparation of purpurogallin 9aa and sets of analogs.