111042-31-0
Methyl 4-[2-hydroxyphenyl)thio]-2-butenoate
→
~90%
111042-30-9
methyl 2-(2,3-dihydro-1,4-benzoxathiin-2-yl)acetate
1121-24-0
2-羟基苯硫酚
+
1117-71-1
4-溴巴豆酸甲酯
~65%