Sesquiterpene lactones from Inula falconeri, a plant endemic to the Himalayas, as potential anti-inflammatory agents - Cheng, X R; Zeng, Q; Ren, J; Qin, J J; Zhang, S D; Shen, Y H; Zhu, J X; Zhang, F; Chang, R J; Zhu, Y; Zhang, W D; Jin, H Z (Eur J Med Chem, 2011)