7-((6aR,8R,9aS)-2,2,4,4-tetraisopropyltetrahydro-6H-furo[3,2-f][1,3,5,2,4]trioxadisilocin-8-yl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine

4-氯吡咯并嘧啶

2-氰基琥珀酸二乙酯

pyrrolo<2,3-d>pyrimidine-4,6(3H,5H)-dione

4,6-二氯-7H-吡咯并[2,3-d]嘧啶