(1S,7Z,10S)-7-ethylidene-4,21-di(propan-2-yl)-2-oxa-12,13-dithia-5,8,20,23-tetrazabicyclo[8.7.6]tricos-16-ene-3,6,9,19,22-pentone
Romidepsin is a drug that has been approved by the U.S. Food and Drug Administration (FDA) under the brand name Istodax for the treatment of a certain type of cancer. Romidepsin is also being studied as an investigational drug as part of a strategy to cure HIV infection.As an HIV investigational drug, romidepsin belongs to a group of drugs called latency-reversing agents.