Vesicular formulations containing organic acid prodrugs, process for their preparation, new prodrugs, pharmaceutical compositions and method for the treatment of tuberculosis and other mycobacteriosis" (EP Patent 2009/ 2,034,962, WO/2007/142548; PCT nº PT 2007/000024).Constantino, L, Anes, E, Valente, E, Simões, MF.