(1S,4Z,7S,10S,11E,20R)-4-ethylidene-7,20-dipropan-2-yl-9-oxa-15,16-dit hia-3,6,18,21-tetrazabicyclo[8.7.6]tricos-11-ene-2,5,8,19,22-pentone; FR 901228; Romidepsin; istodax; RoMidepsin/Depsipeptide(FK-228, NSC-63017); [S-(E)]-N-(3-Hydroxy-7-Mercapto-1-oxo-4- heptenyl)-D-valyl-D-cysteinyl-(Z)-2,3-didehydro-2-aMinobutanoyl-; Cyclo[(2Z)-2-aMino-2-butenoyl-L-valyl-(3S,4E)-3-hydroxy-7-Mercapto-4-heptenoyl-D-valyl-D-cysteinyl] Cyclic (35)-Disulfide; Cyclo[(2Z)-2-aMino-2-butenoyl-L-valyl-(3S,4E)-3-hydroxy-7-Mercapto-4-heptenoyl-D-valyl-D-cysteinyl]-d8 Cyclic (35)-Disulfide;(1S,4Z,7S,10S,11E,20R)-4-ethylidene-7,20-dipropan-2-yl-9-oxa-15,16-dit hia-3,6,18,21-tetrazabicyclo[8.7.6]tricos-11-ene-2,5,8,19,22-pentone;Antibiotic FR 901228; Chromadax; Cyclo((2Z)-2-amino-2-butenoyl-L-valyl-(3S,4E)-3-hydroxy-7-mercapto-4-heptenoyl-D-valyl-D-cysteinyl), cyclic (3->5)-disulfide; FK 228; FK228; FR 901228; FR-901228; FR901228; Istodax; NSC 630176; Romidepsin; UNII-CX3T89XQBK; (1S,4S,7Z,10S,16E,21R)-7-Ethylidene-4,21-bis(1-methylethyl)-2-oxa-12,13-dithia-5,8,20,23-tetraazabicyclo(8.7.6)tricos-16-ene-3,6,9,19,22-pentone; L-Valine, N-((3S,4E)-3-hydroxy-7-mercapto-1-oxo-4-heptenyl)-D-valyl-D-cysteinyl-(2Z)-2-amino-2-butenoxyl-, (4-1)-lactone, cyclic (1-2)-disulfide; L-Valine, N-(3-hydroxy-7-mercapto-1-oxo-4-heptenyl)-D-valyl-D-cysteinyl-(Z)-2,3-didehydro-2-aminobutanoyl-, xi-lactone, cyclic (1-2)-disulfide, (S-(E))-;