@article{article46becee4,
title   = {HPLC-ESI-MS/MS analysis of oxidized di-caffeoylquinic acids generated by metalloporphyrin-catalyzed reactions},
author = {Santos, Michel David dos and Lopes, Norberto Peporine and Iamamoto, Yassuko},
year = {2008},
doi = {10.1590/s0100-40422008000400011},
journal   = {Química Nova}
}