Crystal Structure Of Tyrosine Kinase 2 Jh2 (Pseudo Kinase Domain) Complexed With Compound-6C Aka 6-((1-(4-Cyanopheny L)-2-Oxo-1,2-Dihydro-3-Pyridinyl)Amino)-N-Cyclopropyl-8-(M Ethylamino)Imidazo[1,2-B]Pyridazine-3-Carboxamide