Synthesis of a New Porphyrin-Phthalocyanine Dimer - Tomé JPC; Alonso CMA; Pereira AMVM; Neves MGPMS; Tomé AC; Silva AMS; Cavaleiro JAS; Martínez-Díaz MV; Torres T (19th International Congress on Heterocyclic Chemistry: Book of Abstracts, 2003)