42330-88-1
2-(3-氯丙氧基)四氢-2H-吡喃
→
~43%
289-66-7
2H-pyran
1258495-89-4
1258495-69-0
+
5414-19-7
2,2'-二溴二乙醚
105-34-0
氰乙酸甲酯