Nine 2-(2-phenylethyl)chromone derivatives from the resinous wood of Aquilaria sinensis and their inhibition of LPS-induced NO production in RAW 264.7 cells - Chen, D; Xu, Z R; Chai, X Y; Zeng, K W; Jia, Y X; Bi, D; Ma, Z Z; Tu, P F (Eur J Org Chem, 2012)