SMILES: C1=NC2=C(N1)C(=O)N=CN2O
Description: The molecule is an oxopurine that is 3,9-dihydro-6H-purine which is substituted by an oxo group at position 6 and in which the hydrogen attached to the nitrogen at position 3 is replaced by a hydroxy group. It is a major component of Schreckstoff, an alarm pheromone found in fish. It has a role as an alarm pheromone and a metabolite. It is a member of hydroxylamines, an oxopurine and a member of purine N-oxides.