877-35-0
2-溴-1-苯基-1-丁酮
+
57-13-6
尿素
→
33119-67-4
5-ethyl-4-phenyl-1,3-oxazol-2-amine
104217-20-1
4-ethyl-5-phenyl-1,3-dihydro-imidazol-2-one