YB Wang, WJ Zhuang, LP Jin, SZ Lu - Journal of molecular structure, 2005 - Elsevier
Three new lanthanide coordination polymers with 1, 2, 4, 5-benzenetetracarboxylic acid, Pr2
(betc) 2 (4, 4′-bpyH2)· 0.25 H2O (1), Ln2 (betc) 2 (4, 4′-bpyH2)(Ln= Eu (2), Gd (3)) were …