17431-94-6
2-phenylsulfanylpropanoic acid
→
~90%
20803-96-7
2-(benzenesulfonyl)propanoic acid
873-55-2
苯亚磺酸钠
+
535-11-5
2-溴丙酸乙酯
930-69-8
苯硫酚钠