Synonyms: [11]Cytochalasa-6(12),13,19-trien-1-one,21-(acetyloxy)-7,18-dihydroxy-10-(4-methoxyphenyl)-16,18-dimethyl-,(7S,13E,16S,18R,19E,21R)-; 1H-Cycloundec[d]isoindol-1-one,15-(acetyloxy)-2,3,3a,4,5,6,6a,9,10,11,12,15-dodecahydro-6,12-dihydroxy-3-[(4-methoxyphenyl)methyl]-4,10,12-trimethyl-5-methylene-,[3S-(3R*,3aS*,4R*,6R*,6aS*,7E,10R*,12S*,13E,15S*,15aS*)]-; Pyrichalasin H