(+)-Bruceoside D 167782-22-1 AIDS-026375 AIDS026375 Bruceoside D Bruceoside-D Picras-1-en-21-oic acid, 13,20-epoxy-2-(.beta.-D-glucopyranosyloxy)-11,12-dihydroxy-15-[(3-methyl-1-oxo-2-butenyl)oxy]-3,16-dioxo-, (11.beta.,12.alpha.,15.beta.)-