%0 Journal Article %J Beilstein Journal of Organic Chemistry %D 2010 %T Preparation, structures and preliminary host-guest studies of fluorinated syn-bis-quinoxaline molecular tweezers %A M. Etzkorn* %A J. C. Timmerman %A M. D. Brooker %A X. Yu %A M. Gerken %B Beilstein Journal of Organic Chemistry %V 6 %P No. 39; doi:10.3762/bjoc.6.39 %G eng