SMILES: C1=C(C(=O)NC(=O)C1=N)C2=C(NC(=O)C(=C2)N)O
Description: The molecule is a member of the class of pyridone that is a dimeric blue pigment biosynthesised from L-glutamine. It has a role as a bacterial metabolite and a biological pigment. It is a pyridone, a ring assembly, a dicarboximide and an enamine. It derives from a L-glutamine.