(9,9'-Bianthracene)-10,10'(9H,9'H)-dione, 5,5'-bis(beta-D-glucopyranosyloxy)-4,4'-dihydroxy-2,2'-bis(hydroxymethyl)- 5,5'-Bis(beta-D-glucopyranosyloxy)-4,4'-dihydroxy-2,2'-bis(hydroxymethyl)-(9,9'-bianthracene)-10,10'(9H,9'H)-dione 99520-79-3 Aloe-emodin dianthrone diglucoside EDADG Emodin dianthrone diglucoside I