Tetrahydrofuran lignans in Forsythia suspensa and their spectral characteristics
YAN Xin-jia, JIANG Yuan-yuan, WEN Jing, LI Chang, LIANG Wei, ZHENG Wei, NIE Cheng-dong, LI Wen-lan,
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2020, (6): 995 -999 .  DOI: 10.16333/j.1001-6880.2020.6.012