A Convenient Synthesis of Novel Fluorophores: Macrocyclic Polyamines Containing Two Dansylamidoethyl Side Arms - Xue, Guo-Ping; Bradshaw, Jerald S; Chiara, Joseph A; Savage, Paul B; Krakowiak, Krzysztof E; Izatt, Reed M; Prodi, Luca; Montalti, Marco; Zaccheroni, Nelsi (Synlett, 2000)