瑞博司可里布 、
1-吡咯烷羰酰氯 以gave 7-cyclopentyl-2-{5-[4-(pyrrolidine-1-carbonyl)-piperazin-1-yl]-pyridin-2-ylamino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide (84 mg, 70%)的产率得到7-cyclopentyl-2-{5-[4-(pyrrolidine-1-carbonyl)piperazin-1-yl]pyridin-2-ylamino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid dimethylamide