title: Synthesis of unsymmetrical chiral triaza-18-crown-6 and diaza-12-crown-4 with a pendant group
authors.affiliation: Department of Chemistry, Center for Superfunctional Materials, Pohang University of Science and Technology, Pohang 790-784, Korea chiwan@chem.postech.ac.kr.
authors.initials: CW
authors.lastname: Lee
authors.initials: EJ
authors.lastname: Jung
authors.initials: SJ
authors.lastname: Lee
authors.initials: KH
authors.lastname: Ahn
authors.initials: KS
authors.lastname: Kim