Try searching for...
SCFBio, IIT Delhi
Formula: C20H20O5 | Mol. Weight: 340.40 g/mol
IUPAC: (2S)-9-hydroxy-2-(4-hydroxyphenyl)-8,8-dimethyl-2,3,9,10-tetrahydropyrano[2,3-h]chromen-4-one
CC1(C(CC2=C(O1)C=CC3=C2OC(CC3=O)C4=CC=C(C=C4)O)O)C