Nanometric dendritic macromolecules: stepwise assembly by double(2,2:6,2-terpyridine)ruthenium(I) connectivity Journal of Materials Chemistry, 1997, 7, 1237 - 1244 George R. Newkome and Enfei He
A new approach to symmetric 2,2′:6′,2″-terpyridines Tetrahedron, Volume 54, Issue 11, Pages 2365-2370 (12 March 1998) James C. Adrian, Lamyaa Hassib, Norbert De Kimpe and Marian Keppens