Lignans and isoflavonoids from the stems of Pisonia umbellifera Liu, Zhiguo ; Zheng, Xilong ; Wang, Yanan ; Tang, Mengyue ; Chen, Shilin ; Zhang, Fangbo ; Li, Li ; Zhang, Cun ; Sun, Yi Abstract Publication: RSC Advances Pub Date: 2018 DOI: 10.1039/C8RA02240B Bibcode: 2018RSCAd...816383L