@article{article34e98aeb,
title   = {Electrospray mass and tandem mass spectrometry of homologous and isomeric singly, doubly, triply and quadruply charged cationic ruthenated meso-(phenyl)(m)-(meta- and para-pyridyl)(n) (m+n=4) macrocyclic porphyrin complexes},
author = {Tomazela, Daniela M. and Gozzo, Fabio Cesar and Mayer, Ildemar and Engelmann, Fábio Monaro and Araki, Koiti and Toma, Henrique Eisi and Eberlin, Marcos Nogueira},
year = {2004},
doi = {10.1002/jms.699},
journal   = {Journal of Mass Spectrometry}
}