Chemical Constituents of Swertia nervosaⅡ
LI Zhao-yun1,WANG Zhi-yuan1,XIAO Huai2,LI Long-xing2*
NATURAL PRODUCT RESEARCH AND DEVELOPMENT . 2016, (2): 232 -235 .  DOI: 10.16333/j.1001-6880.2016.2.011