2-(1-ethyl-1H-pyrazol-4-yl)-5H-pyrrolo[2,3- b]pyrazine-7-carboxylic acid ((R)-2-hydroxy-1,2-dimethyl-propyl)-amide

(R)-2-(1-ethyl-1H-pyrazol-4-yl)-N-(3-hydroxy-3-methylbutan-2-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxamide