This work describes the phytochemical study of hexane extracts from the stem of Maprounea guianensis. Besides 3-oxo-21alpha-H-hop-22(29)-en (moretenone). beta-sitosterol. lupenone and lupeol. https://thebookmarkid.com/story19599736/impact-of-environmental-changes-on-the-behavioral-diversity-of-the-odonata-insecta-in-the-amazon