(+)-Bruceoside F 167782-24-3 AIDS-026376 AIDS026376 Bruceoside F Bruceoside-F Picras-1-en-21-oic acid, 15-[[4-(acetyloxy)-3,4-dimethyl-1-oxo-2-pentenyl]oxy]-13,20-epoxy-2-(.beta.-D-glucopyranosyloxy)-11,12-dihydroxy-3,16-dioxo-, [11.beta.,12.alpha.,15.beta.(E)]-