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Schematic diagram for the dissociative electron transfer (DET) reaction [18,19,49,50] of a halogenated aromatic ring molecule AX with a weakly-bound electron (ewb−) in phagosomes, where ewb− is readily donated from a variety of enzymes or antioxidants or O2•−. For HCQ and chloroquine, A is a quine ring system and X = Cl, whereas A is an aromatic ring coupled to two NH2 groups at ortho positions [A = B(NH2)2] and X = Cln or Brn or In with n = 1,2 for FMD compounds) [69,70].
