67-56-1
甲醇
+
113115-63-2
2,10-dichlorobenzo[4,5]imidazo[1,2-a]benzo[4,5]imidazo[1,2-d]pyrazine-6,13-dione
→
~83%
113115-62-1
6-氯-1H-苯并咪唑-2-羧酸甲酯