Synonyms: 2H-Oxireno[f]oxireno[9,10]cycloundec[1,2-d]isoindole-3,12(1aH,4H)-dione,2-(acetyloxy)-5,5a,6,6a,7a,7b,10,11,13,13a-decahydro-6,6a,11,13-tetramethyl-5-(phenylmethyl)-,[1aR-(1aR*,2S*,2aR*,5S*,5aR*,6S*,6aR*,7aS*,7bR*,8E,11S*,13S*,13aS*)]-;18-Deoxy-19,20-epoxycytochalasin Q; Xylobovatin