1. Siddiqui N, Arshad MF, Khan SA (2009) Acta Pol Pharm 66:161
2. Kamiński K, Obniska J, Dybała M (2008) Eur J Med Chem 43:53
3. Obniska J, Kamiñski K, Tatarczyñska E (2006) Pharmcol Res 58:207
4. Park HB, Jo NH, Hong JH, Chei JH, Cho J-H, Yoo KH, Oh C-H (2007) Arch Pharm (Weinheim) 340:530
5. Fujio M, Hashimoto K, Katayama J, Numata A (2001) Preparation of spiro[azabicycloalkane-oxazolidinone] derivatives and analogs as α-7 nicotinic receptor agonists. Chem Abstr 135:318499 (WO 2001066546)