5655-01-6
1,5-二氢-4H-吡咯并[3,2-D]嘧啶-4-酮
→
~98%
93587-23-6
7-溴-1,5-二氢-4H-吡咯并[3,2-D]嘧啶-4-酮
1032650-41-1
7-溴-4-氯-5H-吡咯并[3,2-D]嘧啶