5339-09-3
1,3-DIMETHYLNAPHTHO[2,3-C]FURAN-4,9-DIONE
+
119-26-6
2,4-二硝基苯肼
→
5339-16-2
(9E)-9-[(2,4-dinitrophenyl)hydrazinylidene]-1,3-dimethylbenzo[f][2]benzofuran-4-one