(13)Cytochalasa-5,13,17-triene-1,19,23-trione, 7,20-dihydroxy-10-(1H-indol-3-yl)-16,18-dimethyl-, (7S,13E,16S,17E,20S)- (7S,13E,16S,17E,20S)-7,20-Dihydroxy-10-(1H-indol-3-yl)-16,18-dimethyl-(13)cytochalasa-5,13,17-triene-1,19,23-trione 55945-74-9