(S,13E,1S,18R,19E)-6,7-Epoxy-18-hydroxy-16,18-dimethyl-10-phenyl-21,23-Dioxa[13]cytochalSa-13,19-diene-1,17,22-trione; CytochalSin E; SC 175151;[S-(1E,4R*,S*,7E,11aR*,14R*,14aR*,15R*,15S*,16aR*,16bR*)]-3,13,14,14a,15,15a,16a,16b-Octahydro-6-hydroxy-4,6,15,15a-tetramethyl-14-(phenylmethyl)-[1,3]Dioxacyclotridecino[4,5-d]oxireno[f]Soindole-5,10,12(4H,6H)-trione;