[5-(Hexopyranosyloxy)-1-oxo-2a,4a,5,7b-tetrahydro-1H-2,6-dioxacyclopenta[cd]inden-4-yl]methyl acetate;Asperulosid;RUBICHLORIC ACID;ASPERULOSIDE;1H-2,6-Dioxacyclopent[cd]inden-1-one, 4-[(acetyloxy)methyl]-5-(hexopyranosyloxy)-2a,4a,5,7b-tetrahydro-
2-8C