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(1S,4S,7Z,10S,16E,21R)-7-ethylidene-4,21-diisopropyl-2-oxa-12,13-dithia-5,8,20,23-tetraazabicyclo[8.7.6]tricos-16-ene-3,6,9,19,22-pentaone | (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 and Romidepsin
