98556-62-8
2,3-dihydro-2-oxo-6-Benzoxazolecarbonitrile
→
~95%
54903-15-0
2-oxo-3H-1,3-benzoxazole-6-carbaldehyde
19932-85-5
6-溴-2-苯并噁唑酮
~91%
+
68-12-2
N,N-二甲基甲酰胺
~82%