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. 2020 Nov 18;25(22):5398. doi: 10.3390/molecules25225398

Figure 5.

Figure 5

Molecular structures of the hydroxypyridinone iron chelator, CP94, 1,2-diethyl-3-hydroxypyridin-4-one, together with AP2–18; the aminolevulinic acid (ALA) prodrug developed from it, incorporating the iron chelator and the ALA prodrug in the same molecule [170,171,172].