CHAETOGLOBOSINK

(3S,5S,7S,13E,16S,17E,19R,21E)-6,7-Epoxy-5-ethyl-19-hydroxy-3-[(R)-1-(1H-indol-3-yl)ethyl]-16,18-dimethyl-10,11-dinor[13]cytochalasa-13,17,21-triene-1,20,23-trione