Try searching for...
SCFBio, IIT Delhi
Formula: C21H22O10 | Mol. Weight: 434.40 g/mol
IUPAC: (2S)-2-(3,4-dihydroxyphenyl)-5-hydroxy-7-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxy-2,3-dihydrochromen-4-one
CC1C(C(C(C(O1)OC2=CC(=C3C(=O)CC(OC3=C2)C4=CC(=C(C=C4)O)O)O)O)O)O