Formula: C27H32O15 | Mol. Weight: 596.50 g/mol
IUPAC: 1,2,6-trimethoxy-8-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-[[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]oxymethyl]oxan-2-yl]oxyxanthen-9-one
COC1=C(C2=C(C=C1)OC3=C(C2=O)C(=CC(=C3)OC)OC4C(C(C(C(O4)COC5C(C(C(CO5)O)O)O)O)O)O)OC