78-94-4
丁烯酮 甲基乙烯基酮
+
29942-64-1
Phosphonium, triphenyl-, 2-oxopropylide
→
~74%
193155-13-4
3-(triphenyl-λ5-phosphanylidene)heptane-2,6-dione
丁烯酮
22592-18-3
hept-5-yn-2-one
74-99-7
丙炔