英文别名2-[1-(Ethanesulfonyl)-3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]azetidin-3-yl]acetonitrile; {1-(Ethylsulfonyl)-3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]-3-azetidinyl}acetonitrile; 3-Azetidineacetonitrile, 1-(ethylsulfonyl)-3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]-; 1-(ethylsulfonyl)-3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]-3-Azetidineacetonitrile; Baricitinib Impurity 34; 2-[1-ethylsulfonyl-3-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazol-1-yl]azetidin-3-yl]acetonitrile; 1-[3-(Cyanomethyl)-1-(ethylsulfonyl)-3-azetidinyl]pyrazole-4-boronic Acid Pinacol Ester; 2-[1-(ethanesulfonyl)-3-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]azetidin-3-yl]acetonitrile 
