Synonyms: Cyclopenta[c]pyran-4-carboxylicacid, 7-[[[[7-[(acetyloxy)methyl]-1-(b-D-glucopyranosyloxy)-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-4-yl]carbonyl]oxy]methyl]-1-(b-D-glucopyranosyloxy)-1,4a,5,7a-tetrahydro-,[4-carboxy-1-(b-D-glucopyranosyloxy)-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-7-yl]methylester, stereoisomer; Ulmoideside B; Ulmoidoside B