Synonyms: 7H-Dibenzo[g,i][1,5]dioxacycloundecin,D-glucose deriv.; Trapanin B;D-Glucose, cyclic 4®2:6®2'-[4-[6-[[4,6-O-[[4-[6-[[4,6-O-[[4-[6-[[4,6-O-[(4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-diyl)dicarbonyl]-3-O-(3,4,5-trihydroxybenzoyl)-D-glucos-2-O-yl]carbonyl]-2,3,4-trihydroxyphenoxy]-4',5,5',6,6'-pentahydroxy[1,1'-biphenyl]-2,2'-diyl]dicarbonyl]-3-O-(3,4,5-trihydroxybenzoyl)-D-glucos-2-O-yl]carbonyl]-2,3,4-trihydroxyphenoxy]-4',5,5',6,6'-pentahydroxy[1,1'-biphenyl]-2,2'-diyl]dicarbonyl]-3-O-(3,4,5-trihydroxybenzoyl)-D-glucos-2-O-yl]carbonyl]-2,3,4-trihydroxyphenoxy