Try searching for...
SCFBio, IIT Delhi
Formula: C18H25N3O6 | Mol. Weight: 379.40 g/mol
IUPAC: (3S,8S,11aS,11bS)-5-[(3S)-3-amino-3-carboxypropyl]-2,3,8,9,10,11,11a,11b-octahydro-1H-pyrido[2,1-f][1,6]naphthyridine-3,8-dicarboxylic acid
C1CC2C3CCC(N=C3C(=CN2C(C1)C(=O)O)CCC(C(=O)O)N)C(=O)O