Try searching for...
SCFBio, IIT Delhi
Formula: C21H22O10 | Mol. Weight: 434.40 g/mol
IUPAC: (2S)-5-hydroxy-2-(4-hydroxyphenyl)-7-[(2R,3S,4R,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2,3-dihydrochromen-4-one
C1C(OC2=CC(=CC(=C2C1=O)O)OC3C(C(C(C(O3)CO)O)O)O)C4=CC=C(C=C4)O