@article{1974,  title={The chemical composition of Amazonian plants<sup>(</sup><sup>)</sup>},  volume={4},  ISSN={0044-5967},  url={https://doi.org/10.1590/1809-43921974041025},  DOI={10.1590/1809-43921974041025},  number={1},  journal={Acta Amazonica},  publisher={Instituto Nacional de Pesquisas da Amazônia},  year={1974},  month={Apr},  pages={25–26} }