@article{articlecb578e20,
title   = {Evaluation of the influence of base and alkyl bromide on synthesis of pyrazinoic acid esters through fatorial design},
author = {Fernandes, João Paulo dos Santos and Felli, Veni Maria Andres},
year = {2009},
doi = {10.1590/s0100-40422009000900040},
journal   = {Química Nova}
}