Try searching for...
SCFBio, IIT Delhi
Formula: C13H12N4O2 | Mol. Weight: 256.26 g/mol
IUPAC: 3,7,8-trimethyl-1H-benzo[g]pteridine-2,4-dione
CC1=CC2=C(C=C1C)N=C3C(=N2)C(=O)N(C(=O)N3)C