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Commonly used compounds to deliver H2S. Structures shown are used either as stand-alone donors or are attached to known pharmacophores to give H2S-releasing properties in these structures, thus creating “combination donors.” DTT (A; 1,2,dithiole-3-thione), ADT-OH (B; 5-(4-hydroxyphenyl)-3H-1,2-dithiole-3-thione), or ADT (C; 5-(4-methoxyphenyl) -3H-1,2-dithiole-3-thione).
