@article{articled7a1ed42, title = {Two spirolactones and a naphthoquinone of Sinningia reitzii from Paraná state, Brazil}, author = {Winiewski, Vanessa and Oliveira, Cristhian Santos and Amorim, Magali Silva de and Santana, Francielli Sousa and Sá, Eduardo Lemos de and Stefanello, Maria Élida A and Verdan, Maria Helena}, year = {2023}, doi = {10.1016/j.phytol.2023.07.016}, journal = {Phytochemistry Letters} }