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. 2014 Mar 12;9(3):e89351. doi: 10.1371/journal.pone.0089351

Figure 1. Chemical structure of the mitochondria-targeted curcuminoids used in this study.

Figure 1

(A) Curcumin; (B) Mitocur-1; (C) Mitocur-2; (D) Mitocur-3. The synthetic curcuminoids (Mitocur-1,2,3) have a triphenylphosphonium cation linked to the hydroxyl group(s) of curcumin via a three-carbon propyl chain. Mitocur-3 is similar to Mitocur-1, but is devoid of methoxy substitution on the aryl groups.