Try searching for...
SCFBio, IIT Delhi
Formula: C12H8N2O2 | Mol. Weight: 212.20 g/mol
IUPAC: 9H-pyrido[3,4-b]indole-1-carboxylic acid
C1=CC=C2C(=C1)C3=C(N2)C(=NC=C3)C(=O)O