16398-16-6
2-nitro-10H-dibenzo[b,f]1,4-oxazepin-11-one
→
~91%
23474-66-0
8-amino-5H-benzo[b][1,4]benzoxazepin-6-one
3158-85-8
10,11-二氢二苯并[b,f][1,4]噁杂-11-酮