(+)-Bruceoside E 167782-23-2 AIDS-026374 AIDS026374 Bruceoside E Bruceoside-E Picras-1-en-21-oic acid, 13,20-epoxy-2-(.beta.-D-glucopyranosyloxy)-11,12-dihydroxy-15-(3-methyl-1-oxobutoxy)-3,16-dioxo-, (11.beta.,12.alpha.,15.beta.)-