Development of a validated ultra-high-performance liquid chromatography tandem mass spectrometry method for determination of acid diterpenes in Copaifera oleoresins - Silva, Jonas Joaquim Mangabeira da; Crevelin, Eduardo José; Carneiro, Luiza Junqueira; Rogez, Hervé; Veneziani, Rodrigo Cassio Sola; Ambrósio, Sérgio Ricardo; Moraes, Luiz Alberto Beraldo de; Bastos, Jairo Kenupp (Journal of Chromatography A, 2017)