Formula: C22H20O13 | Mol. Weight: 492.40 g/mol
IUPAC: (2S,3S,4S,5R,6S)-6-[5,7-dihydroxy-2-(4-hydroxyphenyl)-6-methoxy-4-oxochromen-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid
COC1=C(C2=C(C=C1O)OC(=C(C2=O)OC3C(C(C(C(O3)C(=O)O)O)O)O)C4=CC=C(C=C4)O)O