4694-91-1
6-硝基苯并恶唑-2(3H)-酮
+
13035-44-4
(4,5-dibenzoyloxy-6-bromooxan-3-yl) benzoate
→
19231-18-6
6-nitro-3-(4-nitro-phenyl)-2,3-dihydro-benzo[e][1,3]oxazin-4-one