7-cyclopentyl-2-(5-formyl-pyridin-2-ylamino)-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide 、
3-羟基氮杂环丁烷盐酸盐 以gave 7-cyclopentyl-2-[5-(3-hydroxy-azetidin-1-ylmethyl)-pyridin-2-ylamino]-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide as a light yellow solid (0.131 g, 47%) [的产率得到7-cyclopentyl-2-[5-(3-hydroxy-azetidin-1-ylmethyl)-pyridin-2-ylamino]-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide