Two new ceramides from the stems of Piper betle L.

Two new ceramides from the stems of Piper betle L. A new sesquineolignan and four new neolignans isolated from the leaves of Piper betle, a traditional medicinal plant in Myanmar New ceramides from acnistus arborescens Ceramides from the fungus Phellinus pini Polyphenols and alkaloids from piper species Two new ceramides from Zephyranthes candida Phlomisamide and Phlomisteriod: A New Ceramide and a New Stigmasterol Derivative from <i>Phlomis cashmeriana</i> Paullinoside A and Paullinomide A: A New Cerebroside and a New Ceramide from Leaves of Paullinia pinnata Another two novel ceramides from Zephyranthes candida Two Ceramides from Tanacetum artemesioides