(4-(1-(3-(氰基甲基)-1-(乙基磺酰基)氮杂环丁烷-3-基)-1H-吡唑-4-基)-7H-吡咯并[2,3-D]嘧啶-7-基)新戊酸甲酯

(4-(1-(3-(Cyanomethyl)-1-(Ethylsulfonyl)Azetidin-3-Yl)-1H-Pyrazol-4-Yl)-7H-Pyrrolo[2,3-D]Pyrimidin-7-Yl)Methyl Pivalate