Try searching for...
SCFBio, IIT Delhi
Formula: C21H24O9 | Mol. Weight: 420.40 g/mol
IUPAC: [(2R,3S,4S,5R,6S)-6-(7-acetyl-8-hydroxy-6-methylnaphthalen-1-yl)oxy-3,4,5-trihydroxyoxan-2-yl]methyl acetate
CC1=CC2=C(C(=CC=C2)OC3C(C(C(C(O3)COC(=O)C)O)O)O)C(=C1C(=O)C)O