5153-67-3
反式-β-硝基苯乙烯
+
21204-67-1
methyl (triphenylphosphoranylidene)acetate
→
15267-22-8
4-nitro-3-phenyl-2-(4,4,6-trimethyl-5,6-dihydro-4H-[1,3]oxazin-2-yl)-butyric acid ethyl ester