pyrazine derivative 14 complex formation 10 article 8 pyridine derivative 6 synthesis 6 Article 4 Pyrazines 4 chemistry 4 dissociation 4 iron derivative 4 oxidation reduction reaction 4 priority journal 4 ruthenium derivative 4 temperature dependence 4 unclassified drug 4 6-(1H-indazol-6-yl)-N-(4-morpholinophenyl)imidazo(1,2-a)pyrazin-8-amine 2 Aged 2 Aged, 80 and over 2 Algorithms 2 Aluminum 2 BCR-associated kinase inhibitors 2 CD4+ T lymphocyte 2 CD40 ligand 2 Cell Proliferation 2 Cells, Cultured 2 Chronic lymphocytic leukemia 2 Coordination Complexes 2 Copper 2 Cyano complexes 2 Czech Republic 2