PMID-sentid Pub_year Sent_text compound_name comp_offset prot_official_name organism prot_offset 28426044-1 2017 Using a new polydentate Schiff-base ligand (H3L) we isolated three new tetranuclear isostructural lanthanide complexes with the general formula [LnNa2(L)4(DMF)4(H2O)2(AcO)2] 4DMF 2H2O [Ln = Dy (1), Ho (2), or Er (3)]. polydentate schiff-base 12-35 H3 clustered histone 2 Homo sapiens 44-47