168569-27-5 Bruceanol H Bruceanol II Methyl 15-((3,4-dimethyl-1-oxo-2-pentenyl)oxy)-13,20-epoxy-2,11,12-trihydroxy-1,16-dioxopicrasan-21-oate (11beta,12alpha,15beta(E))- Picrasan-21-oic acid, 15-((3,4-dimethyl-1-oxo-2-pentenyl)oxy)-13,20-epoxy-2,11,12-trihydroxy-1,16-dioxo-, methyl ester (11beta,12alpha,15beta(E))-