Try searching for...
SCFBio, IIT Delhi
Formula: C21H20O9 | Mol. Weight: 416.40 g/mol
IUPAC: 5,7-dihydroxy-3-[4-[(2S,3S,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyphenyl]chromen-4-one
CC1C(C(C(C(O1)OC2=CC=C(C=C2)C3=COC4=CC(=CC(=C4C3=O)O)O)O)O)O