Triphenylphosphonium-tethered salicylamine derivatives

A method of treating a subject, comprising:

• administering a therapeutically effective dose of a compound of Formula I to a human or an animal subject:
• wherein:
• R1 is hydrogen with an optional counterion;
• R2 is selected from hydrogen, acyl, or alkyl, optionally substituted with R4;
• R3 is selected from hydrogen, halogen, hydroxy, acyl, alkoxy, C1-C6 alkyl optionally substituted with alkyl, alkenyl, hydroxy, acyl, or alkoxy, or carbonyl optionally substituted with hydrogen, hydroxy, acyl, C1-C2- or C3 alkyl, O, N, or S, optionally substituted with hydrogen, hydroxy, or C1-C2- or C3, alkyl, each optionally substituted with R4;
• R4 is a cation with an optional counterion;
• and
• n is 1 or 2;
• or a pharmaceutically acceptable salt thereof.