Gu K, Bi L, Zhao M, Wang C, Dolan C, Kao MC, Tok JB, Peng S. Stereoselective synthesis and anti-inflammatory activities of 6- and 7-membered dioxacycloalkanes. Bioorg Med Chem. 2006 Mar 01;14(5):1339–47. doi: 10.1016/j.bmc.2005.09.068. PMID: 16263290.