Compounds whose structure comprises Formula II, or a compound whose structure comprises Formula III wherein X is selected from chloro, fluoro, bromo and iodo, R1 and R2 are each independently selected from H, -CH3, -CH2CH3, –CH2CH2CH3, or -CH(CH3)2, compositions containing them, their use in therapy, including their use as anti-mycobacterial agents, for example in the treatment of a mycobacterial infection in a mammal, and methods for the preparation of such compounds, are provided.
