914496-94-9
4-chloro-5-benzyl-5H-Pyrrolo[3,2-d]pyrimidin-2-amine
→
~77%
129872-83-9
5-benzyl-2,4-dichloropyrrolo[3,2-d]pyrimidine
100-39-0
溴化苄
+
63200-54-4
2,4-二氯吡咯并[3,2-d]嘧啶