1,2-Dihydroxy-9,10-anthraquinone 2-O-beta-D-tetraacetylglucopyranoside 1-Hydroxy-2-(beta-D-tetraacetylglucopyranosyloxy)-9,10-anthracenedione 2-Alizarin glucoside tetraacetate 2-Alizarin-glucoside-tetraacetate 4-17-00-03241