Delamanid (USAN, codenamed OPC-67683) is an experimental drug for the treatment of multi-drug-resistant tuberculosis. It works by blocking the synthesis of mycolic acids in Mycobacterium tuberculosis, the organism which causes tuberculosis, thus destabilising its cell wall.

CAS number：681492-22-8

 Formula: C₂₅H₂₅F₃N₄O₆