Try searching for...
SCFBio, IIT Delhi
Formula: C11H14O4 | Mol. Weight: 210.23 g/mol
IUPAC: (1S,3E,4S,5S,6S)-4,5-dihydroxy-3-(3-methylbut-2-enylidene)-7-oxabicyclo[4.1.0]heptan-2-one
CC(=CC=C1C(C(C2C(C1=O)O2)O)O)C