26487-92-3
3-(triphenyl-λ5-phosphanylidene)butan-2-one
+
345-12-0
2,4-dinitrobenzene-1-diazonium tertafluoroborate
→
~40%
2256-00-0
(3E)-3-[(2,4-dinitrophenyl)hydrazinylidene]butan-2-one
97-02-9
2,4-二硝基苯胺