Chemical constituents and antioxidant activity of Dracocephalum rupestre Hance
HAO Na, MA Weiwei, HUANG Hangjun, LI Jianfei, WANG Junli
Journal of Hebei University (Natural Science Edition) . 2018, (6): 617 -622 .  DOI: 10.3969/j.issn.1000-1565.2018.06.010