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

1. Dàvalos, J.Z.
2. Ribeiro Da Silva, M.D.D.M.C.
3. Ribeiro Da Silva, M.A.V.
4. Freitas, V.L.S.
5. Jiménez, P.
6. Roux, M.V.
7. Cabildo, P.
8. Claramunt, R.M.
9. Elguero, J.