112899-35-1 AIDS-026391 AIDS026391 Bruceantinoside C Picras-2-en-21-oic acid, 15-[[4-(acetyloxy)-3,4-dimethyl-1-oxo-2-pentenyl]oxy]--13,20-epoxy-3-(beta-D-glucopyranosyloxy)-11,12-dihydroxy-2,16-dioxo-, methyl ester, (11beta,12alpha,15beta(E))-