(3R,4R)-tert-butyl 4-methyl-3-(methyl(7H-pyrrolo[2,3-d]pyrimidin-4-yl)amino)piperidine-1-carboxylate

(S)-5-羟基哌啶-2酮

6-氨基-7-氮杂嘌呤

tert-butyl (5S)-5-tert-butyldiphenylsilyloxy-piperidine-2-one-1-carboxylate