620-72-4
溴乙酸苯酯
+
603-35-0
三苯基膦
→
~65%
102690-40-4
(2-oxo-2-phenoxyethyl)-triphenylphosphanium,bromide
598-21-0
溴乙酰溴
108-95-2
苯酚
102690-46-0
phenyl buta-2,3-dienoate