Computational Thermochemistry of Six Ureas, Imidazolidin-2-one, N,N′-Trimethyleneurea, Benzimidazolinone, Parabanic Acid, Barbital (5,5′-Diethylbarbituric Acid), and 3,4,4′-Trichlorocarbanilide, with an Extension to Related Compounds | Publicación