Antitubercular activity increase in labdane diterpenes from copaifera oleoresin through structural modification - Silva, Aline N.; Soares, Ana Carolina F.; Cabral, Mirela M. W.; Andrade, Alex R. P. de; Silva, Marilza B. M. da; Martins, Carlos H. G.; Veneziani, Rodrigo C. S.; Ambrósio, Sérgio R.; Bastos, Jairo Kenupp; Heleno, Vladimir (Journal of the Brazilian Chemical Society, 2017)