623-47-2
丙炔酸乙酯
→
~92%
31930-34-4
顺-3-溴丙烯酸乙酯
+
31930-35-5
ethyl cis-3-bromoacrylate
86429-06-3
2-Brom-1-(diphenylboryl)-1-ethencarbonsaeure-ethylester