No Species Found

No species in the database contian data from the requested reference: Sosa Sanchez, R.M., Electronic structure of fumaric and maleic acids and their ions. I. Study of the isomerization and ionization of the acids and protonated acids by the extended Hueckel method, An. Fac. Quim., Univ. Repub. Orient. Urug., 1977, 111-122.