title: Imidazomidazoles. II. Structural features affecting formation of hydantoins or tetrahydroimidazo[4,5-d]imidazole-2,5-diones.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006827:Hydantoins; D007093:Imidazoles; D011083:Polycyclic Compounds
chemical_list: D006827:Hydantoins; D007093:Imidazoles; D011083:Polycyclic Compounds