SMILES: C1(=O)C2(C(=O)NC(=O)N2)N=C(N1)N
Description: The molecule is an azaspiro compound that is 1,3,6,8-tetraazaspiro[4.4]non-6-ene which is substituted by oxo groups at positions 2, 4, and 9. Both enantiomers are highly mutagenic products resulting from the oxidation of guanine and 8-oxo-7,8-dihydroguanine in DNA by reactive oxygen species. It has a role as a mutagen. It derives from a hydantoin.