SMILES: C1=C2C(=CN=N1)N=C(N2)N
Description: The molecule is a organonitrogen heterocyclic compound that is 1H-imidazo[4,5-d]pyridazine substituted by an amino group at position 2. A guanidine alkaloid isolated from Anchinoe paupertas, it exhibits cytotoxic activity against human and murine tumor cell lines. It has a role as a metabolite and an antineoplastic agent. It is a member of guanidines, an alkaloid and an organonitrogen heterocyclic compound.