55559-75-6
2-(2,2-dimethyl-1,3-dioxolan-4-yl)ethanol,4-methylbenzenesulfonic acid
+
93-35-6
7-羟基香豆素
→
~88%
646065-67-0
7-[2-(2,2-dimethyl-1,3-dioxolan-4-yl)ethoxy]chromen-2-one