174902-17-1 21-Nor-16,17-secodammarane-16,26-dioic acid, 20-(acetyloxy)-3-(beta-D- glucopyranosyloxy)-23,30-dihydroxy-17-methyl-, di-gamma-lactone, (3beta,17R,20S,23S,25R)- Hovenidulcioside B2 Spiro(furan-3(2H),1'(2'H)-phenanthren)-5(4H)-one, 2'-((1R,2S)-2-(acetyloxy)-1-methyl-3-((2S,4R)-tetrahydro-4-methyl-5-oxo-2-furanyl)propyl)-7'-(beta-D-glucopyranosyloxy)dodecahydro-4'b,8',8',10'a-tetramethyl-, (1'S,2'R,4'aR,4'bR,7'S,8'aR,10'aR)-