19190-68-2
4-甲基苯并咪唑酮
→
~93%
15965-57-8
2-氯-4-甲基-(9ci)-1H-苯并咪唑
530-62-1
N,N'-羰基二咪唑
+
2687-25-4
2,3-二氨基甲苯
~82%