Structurally sophisticated octahedral metal complexes as highly selective protein kinase inhibitors. by Feng, L, Geisselbrecht, Y, Blanck, S, Wilbuer, A, Atilla-Gokcumen, G, Filippakopoulos, P, Kräling, K, Celik, M, Harms, K, Maksimoska, J, Marmorstein, R, Frenking, G, Knapp, S, Essen, L, Meggers, E