10,11-Dinor(13)cytochalasa-13,17,21-triene-1,20,23-trione, 6,7-epoxy-5-ethyl-19-hydroxy-3-(1-(1H-indol-3-yl)ethyl)-16,18-dimethyl-, (3S(R),5S,7S,13E,16S,17E,19R,21E)- 72509-61-6 BRN 4732373 Chaetoglobosin K