1696-20-4
4-乙酰基吗啉
+
6089-04-9
哌喃
→
~90%
52804-46-3
5-(oxan-2-yloxy)pent-3-yn-2-one
108-24-7
乙酸酐
~69%
110-87-2
3,4-二氢-2H-吡喃
75-36-5
乙酰氯
120-80-9
邻苯二酚
29004-73-7
5-甲基-1H-吡唑-3-甲醇
15441-65-3
5-hydroxypent-3-yn-2-one
123837-09-2
2-溴-5-甲基呋喃