@article{winiewski_verdan_ribeiro_hernandez-tasco_salvador_stefanello_2017,  title={Warmingiins A and B, Two New Dimeric Naphthoquinone Derivatives from <i>Sinningia warmingii</i> (Gesneriaceae)},  volume={28},  ISSN={0103-5053},  url={https://doi.org/10.21577/0103-5053.20160204},  DOI={10.21577/0103-5053.20160204},  number={4},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Winiewski, Vanessa and Verdan, Maria Helena and Ribeiro, Marcos A. and Hernandez-Tasco, Alvaro J. and Salvador, Marcos J. and Stefanello, Maria Elida A.},  year={2017},  month={Apr},  pages={598–602} }